陳子豪 賈君強(qiáng)
摘 要: 部分睡眠剝奪指一天的睡眠時(shí)間被限制在少于或等于6h以內(nèi)的狀態(tài)。通過整理相關(guān)文獻(xiàn)發(fā)現(xiàn),部分睡眠剝奪可能對(duì)運(yùn)動(dòng)員人群次日的運(yùn)動(dòng)表現(xiàn)產(chǎn)生負(fù)面影響,具體表現(xiàn)為傳接球和擊發(fā)球準(zhǔn)確性下降、最大力量下降、反應(yīng)時(shí)間增加、無氧表現(xiàn)下降和平衡能力削弱,同時(shí)可使運(yùn)動(dòng)員注意力下降、疲勞感增加和產(chǎn)生較多的消極情緒。研究發(fā)現(xiàn)根據(jù)時(shí)序特征可分為早起型部分睡眠剝奪和晚睡型睡眠剝奪,早起型部分睡眠剝奪對(duì)運(yùn)動(dòng)員人群次日的運(yùn)動(dòng)表現(xiàn)的危害可能較晚睡型更嚴(yán)重。建議加強(qiáng)運(yùn)動(dòng)員人群的睡眠教育;將運(yùn)動(dòng)員睡眠健康列入日常訓(xùn)練計(jì)劃;對(duì)已經(jīng)出現(xiàn)睡眠剝奪癥狀的運(yùn)動(dòng)員可采取午睡、咖啡因和褪黑素?cái)z入等方法降低部分睡眠剝奪所帶來的的危害。
關(guān)鍵詞: 睡眠剝奪;部分睡眠剝奪;運(yùn)動(dòng)員;運(yùn)動(dòng)表現(xiàn)
中圖分類號(hào):G804
文獻(xiàn)標(biāo)識(shí)碼:A
文章編號(hào):1008-2808(2023)02-0079-09
Abstract: ?Partial sleep deprivation refers to a condition in which sleep is limited to six or fewer hours a day. By collating the literature found that partial sleep deprivation could be negative influence on athletes the next day the performance, embodied in passing ball accuracy, maximum power, reaction time, anaerobic performance decline and balance ability weakened, at the same time can make the athletes of concentration, increased fatigue, and produce more negative emotions. According to the temporal characteristics, the study found that partial sleep deprivation could be divided into partial sleep deprivation at the end of the night (PSDEN) and partial sleep deprivation at the beginning of the night(PSDBN). PSDEN may have more serious harm to athletes performance in the next day than PSDBN. It is suggested to strengthen sleep education among athletes; Include athletes sleep health in their daily training plan; Athletes who already have symptoms of sleep deprivation can take naps, caffeine and melatonin intake to reduce some of the harm caused by sleep deprivation.
Key words: Sleep deprivation; Partial sleep deprivation; Athletes; Athletic performance
睡眠通常被當(dāng)作運(yùn)動(dòng)員訓(xùn)練、賽后恢復(fù)機(jī)能的一種重要方式。有研究表明,睡眠問題在運(yùn)動(dòng)員人群中非常普遍 ?[1-2] ,一項(xiàng)針對(duì)623名不同項(xiàng)目德國(guó)運(yùn)動(dòng)員賽前睡眠習(xí)慣調(diào)查發(fā)現(xiàn)65.8%的運(yùn)動(dòng)員在職業(yè)生涯中至少有一次賽前睡眠質(zhì)量欠佳的經(jīng)歷 ?[3] ;另一項(xiàng)針對(duì)澳大利亞的283名高水平運(yùn)動(dòng)員睡眠問題的研究表明64%的運(yùn)動(dòng)員在賽前出現(xiàn)睡眠質(zhì)量變差的情況 ?[4] 。許多運(yùn)動(dòng)員的在日常睡眠中不僅表現(xiàn)為睡眠時(shí)間短 ?[5] ,還表現(xiàn)出睡眠質(zhì)量差的特點(diǎn) ?[6-8] 。睡眠不足通常會(huì)對(duì)運(yùn)動(dòng)員造成一定的危害,例如運(yùn)動(dòng)表現(xiàn)下降 ?[9] 、比賽成績(jī)不佳 ?[10] 、運(yùn)動(dòng)損傷概率提高 ?[11] 等。對(duì)比賽的思考 ?[4] 、訓(xùn)練比賽的疲勞 ?[12] 、年齡 ?[13] 、飛行時(shí)差 ?[14-15] 、負(fù)面情緒 ?[16, 17] 等因素都可能影響運(yùn)動(dòng)員人群的睡眠時(shí)長(zhǎng)和質(zhì)量。因此保持穩(wěn)定的睡眠時(shí)長(zhǎng)和質(zhì)量對(duì)運(yùn)動(dòng)員人群的日常訓(xùn)練和比賽都是十分必要的 ?[18] 。
睡眠剝奪(sleep deprivation,SD)是一種沒有得到充足睡眠的狀態(tài) ?[19-20] 。睡眠剝奪根據(jù)受試者睡眠被剝奪的時(shí)間特征可分為部分睡眠剝奪(partial sleep deprivation)和完全睡眠剝奪(total sleep deprivation)。部分睡眠剝奪指一天的睡眠時(shí)間被限制在少于或等于6h以內(nèi)的狀態(tài) ?[21] ;完全睡眠剝奪是指持續(xù)清醒時(shí)間通常超過24h的狀態(tài) ?[22] 。
目前國(guó)內(nèi)學(xué)者對(duì)于睡眠剝奪的研究主要集中于醫(yī)學(xué)、心理學(xué)等學(xué)科,且主要以病人、學(xué)生、小白鼠等為研究對(duì)象,鮮有對(duì)運(yùn)動(dòng)員人群的研究?;诖耍P者于2022年3月29日,以“sleep deprivation”“performance”和“athlete”為檢索主題詞,設(shè)置檢索文獻(xiàn)類型為article,時(shí)間跨度為所有年份,對(duì)web of science、pubmed數(shù)據(jù)庫進(jìn)行檢索搜集相關(guān)文獻(xiàn),為本研究奠定理論基礎(chǔ)。
1 部分睡眠剝奪對(duì)運(yùn)動(dòng)員運(yùn)動(dòng)表現(xiàn)的影響
1.1 對(duì)專項(xiàng)運(yùn)動(dòng)技能的影響
前一晚少于6h的睡眠可能會(huì)對(duì)球類運(yùn)動(dòng)員的專項(xiàng)運(yùn)動(dòng)技能造成負(fù)面的影響。Vitale等(2021)在前一晚對(duì)12名青少年網(wǎng)球運(yùn)動(dòng)員進(jìn)行了少于5h的睡眠干預(yù),發(fā)現(xiàn)網(wǎng)球?qū)m?xiàng)正反手發(fā)球和對(duì)角線擊球的準(zhǔn)確率顯著下降 ?[23] ;在另一項(xiàng)針對(duì)16名大學(xué)生網(wǎng)球運(yùn)動(dòng)員夜間剝奪三分之一睡眠時(shí)間的研究中同樣也證實(shí)了部分睡眠剝奪對(duì)網(wǎng)球發(fā)球準(zhǔn)確率可能會(huì)造成負(fù)面影響 ?[24] ;Cook等(2011)對(duì)10名職業(yè)橄欖球后衛(wèi)在前一晚剝奪4h的睡眠后,在次日進(jìn)行左右手傳球準(zhǔn)確性測(cè)試,研究表明運(yùn)動(dòng)員傳球準(zhǔn)確性顯著下降 ?[25] 。
由此可見,前一晚少于6h的部分睡眠剝奪會(huì)導(dǎo)致球類運(yùn)動(dòng)員的接傳球、擊發(fā)球等專項(xiàng)運(yùn)動(dòng)技能準(zhǔn)確率下降,這類專項(xiàng)運(yùn)動(dòng)技能往往對(duì)球類運(yùn)動(dòng)比賽是十分重要的,教練員和運(yùn)動(dòng)員需要對(duì)此引起高度重視。
1.2 對(duì)體能的影響
在力量方面,部分睡眠剝奪可能對(duì)運(yùn)動(dòng)員次日的力量表現(xiàn)早晨負(fù)面影響。Souissi等(2013)對(duì)12名擁有十年以上全國(guó)比賽經(jīng)歷的男性黑帶柔道運(yùn)動(dòng)員進(jìn)行一晚的部分睡眠剝奪試驗(yàn),研究發(fā)現(xiàn)部分睡眠剝奪顯著降低了運(yùn)動(dòng)員肱二頭肌的最大隨意收縮力量和握力 ?[26] 。
在速度方面,學(xué)者普遍認(rèn)為部分睡眠剝奪顯著增加了次日運(yùn)動(dòng)員的反應(yīng)時(shí)間。Jarraya等(2013)對(duì)12名男性手球守門員進(jìn)行一晚4h睡眠剝奪干預(yù)后,于次日下午進(jìn)行簡(jiǎn)單反應(yīng)時(shí)測(cè)試,結(jié)果顯示部分睡眠剝奪顯著增加了運(yùn)動(dòng)員的簡(jiǎn)單反應(yīng)時(shí) ?[27] ,Romdhani等(2019) ?[28] 、Paryab等(2021) ?[29] 在試驗(yàn)后也得到了同樣的結(jié)論。由此可見,部分睡眠剝奪會(huì)增加運(yùn)動(dòng)員的簡(jiǎn)單反應(yīng)時(shí)間,具體表現(xiàn)為增加出發(fā)反應(yīng)的時(shí)間。
在有氧耐力方面,Corona等(2019)對(duì)13名男性大學(xué)生運(yùn)動(dòng)員進(jìn)行了剝奪4h的睡眠試驗(yàn),采用Bruce運(yùn)動(dòng)平板測(cè)試和血乳酸指標(biāo)于次日上午7時(shí)對(duì)運(yùn)動(dòng)員的有氧能力和血乳酸濃度進(jìn)行評(píng)估,結(jié)果表示一晚4h的部分睡眠剝奪未對(duì)運(yùn)動(dòng)員有氧能力造成顯著影響 ?[30] 。
在無氧耐力方面,研究結(jié)論存在較大分歧。Vitale等(2021)研究認(rèn)為運(yùn)動(dòng)員在一晚少于5h的部分睡眠剝奪干預(yù)后對(duì)次日重復(fù)沖刺能力無影響 ?[23] ;Mougin等(1996)和Souissi等(2013)觀點(diǎn)相同,認(rèn)為前一晚的部分睡眠剝奪不會(huì)對(duì)運(yùn)動(dòng)員在次日的wingate測(cè)試中峰值功率、平均功率和峰值速率測(cè)試結(jié)果產(chǎn)生負(fù)面影響 ?[26,31] 。還有一部分學(xué)者認(rèn)為部分睡眠剝奪可能會(huì)損害運(yùn)動(dòng)員次日的無氧能力表現(xiàn)。Mejri等(2016)采用yoyo間歇恢復(fù)測(cè)試對(duì)10名男性黑帶國(guó)家級(jí)運(yùn)動(dòng)員進(jìn)行了7h正常睡眠和部分睡眠剝奪的試驗(yàn),研究發(fā)現(xiàn)次日下午運(yùn)動(dòng)員的yoyo間歇恢復(fù)測(cè)試成績(jī)顯著下降 ?[32] ;Abedelmalek 等(2014)和Paryab等(2021)持相同觀點(diǎn),認(rèn)為4h的部分睡眠剝奪對(duì)運(yùn)動(dòng)員次日的wingate無氧功率測(cè)試中的峰值功率和平均功率均會(huì)造成負(fù)面影響 ?[29,33] ;Romdhani等(2019)在對(duì)14名黑帶跆拳道男性運(yùn)動(dòng)員進(jìn)行一晚4h睡眠剝奪后,在次日下午進(jìn)行無氧沖刺跑測(cè)試,發(fā)現(xiàn)重復(fù)沖刺跑表現(xiàn)下降 ?[28] 。提示,部分睡眠剝奪對(duì)運(yùn)動(dòng)員次日的無氧能力影響存在爭(zhēng)議,造成這種爭(zhēng)議的可能原因是測(cè)試指標(biāo)的不同,因此仍需進(jìn)一步研究。
前一晚的部分睡眠剝奪會(huì)對(duì)次日運(yùn)動(dòng)員的平衡素質(zhì)產(chǎn)生負(fù)面影響,已經(jīng)得到普遍認(rèn)同。Souissi等(2020)對(duì)14名73kg以下級(jí)別的柔道運(yùn)動(dòng)員進(jìn)行一晚4h的睡眠剝奪試驗(yàn),于次日早晨8點(diǎn)測(cè)量運(yùn)動(dòng)員的平衡表現(xiàn),結(jié)果表明4h部分睡眠剝奪可能對(duì)柔道運(yùn)動(dòng)員的姿勢(shì)控制產(chǎn)生負(fù)向且顯著的影響 ?[34] ;Paryab等(2021)在一晚4h部分睡眠剝奪后對(duì)10名男性大學(xué)生運(yùn)動(dòng)員進(jìn)行動(dòng)靜態(tài)平衡測(cè)試也得到相同的結(jié)論 ?[29] 。
1.3 對(duì)心理能力的影響
一晚部分睡眠剝奪對(duì)運(yùn)動(dòng)員的認(rèn)知能力可能會(huì)產(chǎn)生負(fù)面影響,具體表現(xiàn)為增加次日白天的主觀嗜睡 ?[28] 、使運(yùn)動(dòng)員次日注意力水平降低 ?[35] 、次日主觀疲勞指數(shù)提高 ?[36] 、使運(yùn)動(dòng)員次日主觀自愿承受的訓(xùn)練總負(fù)荷量大大降低 ?[37] 和表現(xiàn)出更多抑郁和緊張等消極情緒 ?[38] 等。這對(duì)于運(yùn)動(dòng)員日常訓(xùn)練和賽前心理狀態(tài)調(diào)整是十分不利的,對(duì)于高水平運(yùn)動(dòng)員尤其是難美性項(xiàng)群運(yùn)動(dòng)員而言,部分睡眠剝奪所造成的次日過高的精神緊張會(huì)導(dǎo)致運(yùn)動(dòng)員在比賽中發(fā)揮失常;對(duì)于體能主導(dǎo)類項(xiàng)群的運(yùn)動(dòng)員來說,部分睡眠剝奪會(huì)顯著影響次日的訓(xùn)練效果,使運(yùn)動(dòng)員抵觸高量和高強(qiáng)度的訓(xùn)練計(jì)劃,從而引起機(jī)體機(jī)能的劣變。
2 兩種類型的部分睡眠剝奪對(duì)運(yùn)動(dòng)員運(yùn)動(dòng)能力的影響
在上述的研究中,學(xué)者們僅針對(duì)睡眠時(shí)長(zhǎng)小于或等于6h的部分睡眠剝奪對(duì)運(yùn)動(dòng)員運(yùn)動(dòng)表現(xiàn)的影響進(jìn)行研究。但是部分睡眠剝奪可能發(fā)生在運(yùn)動(dòng)員睡眠過程中不同的時(shí)段且不同時(shí)段的部分睡眠剝奪對(duì)運(yùn)動(dòng)員的運(yùn)動(dòng)表現(xiàn)影響也有所不同,由此部分學(xué)者將部分睡眠剝奪劃分為早起型部分睡眠剝奪(partial sleep deprivation at the end of the night, PSDEN)和晚睡型部分睡眠剝奪(partial sleep deprivation at the beginning of the night, PSDBN)。 早起型部分睡眠剝奪指的是受試者在正常時(shí)間入睡,并于凌晨提早清醒且睡眠時(shí)間不足6h的狀態(tài);而晚睡型部分睡眠剝奪是指受試者推遲入睡時(shí)間,于正常起床時(shí)間清醒且睡眠時(shí)間不足6h的狀態(tài)(見圖1)。
由表2可知,在運(yùn)動(dòng)員姿勢(shì)控制 ?[34] 、生理反應(yīng)和血脂標(biāo)志物 ?[39] 方面,早起型部分睡眠剝奪和晚睡型之間無明顯差異。早起型部分睡眠剝奪對(duì)次日運(yùn)動(dòng)員人群的運(yùn)動(dòng)表現(xiàn)的危害可能較晚睡型嚴(yán)重。早起型部分睡眠剝奪可使次日下午運(yùn)動(dòng)員進(jìn)行高強(qiáng)度運(yùn)動(dòng)和在運(yùn)動(dòng)中恢復(fù)的能力較晚睡型部分睡眠剝奪下降更多 ?[32] ,同時(shí)早起型部分睡眠剝奪還可使運(yùn)動(dòng)員次日下午在無氧運(yùn)動(dòng)中的峰值功率 ?[28] 、平均功率、肌肉力量較晚睡型降低 ?[26] ,簡(jiǎn)單反應(yīng)時(shí) ?[35] 和主觀嗜睡 ?[28] 較晚睡型增加。晚睡型部分睡眠剝奪僅在選擇性注意和持續(xù)性注意方面的影響大于早起型部分睡眠剝奪 ?[35] 。
提示,早起型部分睡眠剝奪對(duì)運(yùn)動(dòng)員次日下午的運(yùn)動(dòng)表現(xiàn),特別是在短時(shí)間高強(qiáng)度運(yùn)動(dòng)方面的影響大于晚睡型部分睡眠剝奪,而兩種類型的部分睡眠剝奪都不會(huì)影響運(yùn)動(dòng)員次日上午的運(yùn)動(dòng)表現(xiàn)。大型頂級(jí)賽事的決賽通常是在比賽地的下午或者晚上時(shí)間段舉行,而早起型部分睡眠剝奪又會(huì)顯著降低次日下午的運(yùn)動(dòng)表現(xiàn),這對(duì)于以無氧供能運(yùn)動(dòng)為主的運(yùn)動(dòng)而言是十分不利的。因此教練員團(tuán)隊(duì)?wèi)?yīng)正確認(rèn)識(shí)兩種類型部分睡眠剝奪的危害,結(jié)合心理、生理手段適時(shí)對(duì)出現(xiàn)部分睡眠剝奪癥狀的運(yùn)動(dòng)員進(jìn)行及時(shí)的調(diào)控,以減小兩種部分睡眠剝奪對(duì)次日運(yùn)動(dòng)員運(yùn)動(dòng)表現(xiàn)的傷害。
3 睡眠剝奪對(duì)人體運(yùn)動(dòng)表現(xiàn)影響的可能機(jī)制探討
3.1 睡眠剝奪影響運(yùn)動(dòng)技能的可能機(jī)制
睡眠剝奪致使球類運(yùn)動(dòng)員傳球、擊球的準(zhǔn)確性下降的可能機(jī)制是注意力水平的降低 ?[25, 40] 。球類運(yùn)動(dòng)員在比賽和訓(xùn)練中需要時(shí)刻保持較高水平的注意力水平,而睡眠剝奪導(dǎo)致的認(rèn)知能力下降尤其是注意力水平下降可使運(yùn)動(dòng)員的傳擊球準(zhǔn)確性下降。
3.2 睡眠剝奪影響體能的可能機(jī)制
力量素質(zhì)是速度、耐力等人體運(yùn)動(dòng)素質(zhì)的基礎(chǔ),睡眠剝奪對(duì)力量素質(zhì)的影響可能擴(kuò)散影響至其他素質(zhì)的表現(xiàn)。睡眠對(duì)維持肌肉質(zhì)量具有重要的作用,一項(xiàng)針對(duì)三月齡雄鼠的96h睡眠剝奪試驗(yàn)中,研究者發(fā)現(xiàn)96h睡眠剝奪減少了小鼠脛骨前肌的肌肉質(zhì)量和肌纖維橫截面積,同時(shí)睪酮顯著減少、皮質(zhì)酮顯著增加 ?[41] 。另外一項(xiàng)對(duì)24名健康年輕男性進(jìn)行了兩晚標(biāo)準(zhǔn)睡眠和五晚每晚4h睡眠限制干預(yù)實(shí)驗(yàn)中,對(duì)干預(yù)前和干預(yù)后肌肉進(jìn)行活檢以此評(píng)估肌纖維蛋白合成,研究發(fā)現(xiàn)與對(duì)照組相比,4h睡眠剝奪組肌纖維蛋白質(zhì)降低了19% ?[42] 。上述兩項(xiàng)實(shí)驗(yàn)均證明了在動(dòng)物模型中睡眠剝奪可使分解代謝激素分泌的增加和合成代謝激素分泌的減少,這種激素模式可能會(huì)影響蛋白質(zhì)合成和蛋白質(zhì)降解之間的平衡,致使肌肉質(zhì)量的損失,最終導(dǎo)致肌肉力量的下降。同時(shí),睡眠剝奪不僅可使肌肉力量下降,還可使神經(jīng)肌肉疲勞增加。研究發(fā)現(xiàn)部分睡眠剝奪后空手道運(yùn)動(dòng)員的有反向蹲跳(CMJ)表現(xiàn)下降,而無反向蹲跳(SJ)無明顯差異 ?[36] 。研究表明CMJ測(cè)試最適合檢測(cè)神經(jīng)肌肉疲勞,因此推測(cè)睡眠剝奪后CMJ表現(xiàn)下降原因是神經(jīng)肌肉疲勞 ?[43] 。
睡眠剝奪后運(yùn)動(dòng)員耐力表現(xiàn)的下降,其可能機(jī)制是夜間清醒時(shí)額外的能量消耗降低了次日運(yùn)動(dòng)前的肌糖原水平 ?[44] 。
睡眠剝奪后運(yùn)動(dòng)員平衡能力的降低已成為學(xué)者們的共識(shí)。睡眠剝奪后前庭系統(tǒng)效率的降低 ?[45] 、人體主觀困意的增加 ?[46] 以及視覺輸入處理速度的降低 ?[47] 都將會(huì)影響人體的姿勢(shì)控制,使人體姿勢(shì)搖擺程度增加導(dǎo)致平衡能力下降。
3.3 睡眠剝奪影響心理能力的可能機(jī)制
急性睡眠剝奪會(huì)顯著影響人體認(rèn)知水平已得到的學(xué)者的普遍支持,在行為層面體現(xiàn)為判斷的正確率降低和反應(yīng)時(shí)的增加,對(duì)注意、執(zhí)行和長(zhǎng)時(shí)記憶等認(rèn)知功能產(chǎn)生負(fù)面影響 ?[48] ;在神經(jīng)機(jī)制方面表現(xiàn)出額頂網(wǎng)絡(luò)、背側(cè)前扣帶回、前腦島等腦區(qū)激活程度的減弱,DMN相關(guān)腦區(qū)負(fù)激活程度的減弱,以及丘腦激活的“不穩(wěn)定狀態(tài)” ?[49-51] 。
急性睡眠剝奪將使個(gè)體積極情緒減少,更易產(chǎn)生抑郁、焦慮、憤怒的消極情緒 ?[52-53] ,增加主觀疲勞感 ?[54] ,使運(yùn)動(dòng)員抵觸長(zhǎng)時(shí)間、高強(qiáng)度的枯燥訓(xùn)練,這在體能類項(xiàng)目中較為明顯。造成這一現(xiàn)象的神經(jīng)機(jī)制是杏仁核的過度激活,內(nèi)側(cè)前額葉激活程度的減弱,杏仁核與內(nèi)側(cè)前額葉功能連接的減弱,以及背側(cè)前扣帶回激活程度的增強(qiáng)和前腦島激活程度的減弱 ?[50, 55] 。
3.4 早起型部分睡眠剝奪較晚睡型對(duì)運(yùn)動(dòng)表現(xiàn)損害更大的可能機(jī)制
PSDEN對(duì)運(yùn)動(dòng)員次日下午的短時(shí)間高強(qiáng)度運(yùn)動(dòng)表現(xiàn)的損害大于PSDBN,其生理機(jī)制可能是如下幾個(gè)方面:(1)葡萄糖代謝。人體在清醒狀態(tài)下的葡萄糖代謝速度最快,其次是快速眼動(dòng)睡眠階段,非快速眼動(dòng)睡眠階段葡萄糖代謝最慢 ?[56] 。人體在夜間睡眠遵從非快速眼動(dòng)睡眠-快速眼動(dòng)睡眠交替循環(huán)的規(guī)律,在夜間睡眠后期快速眼動(dòng)睡眠和非快速眼動(dòng)睡眠占據(jù)主導(dǎo),此時(shí)人體葡萄糖代謝速度較慢。若此時(shí)過早清醒可能會(huì)導(dǎo)致更大的糖原消耗,糖原又是短時(shí)間高強(qiáng)度運(yùn)動(dòng)的主要供能物質(zhì),因此可能在一定程度上降低人體對(duì)短時(shí)間高強(qiáng)度運(yùn)動(dòng)的表現(xiàn)。(2)快速眼動(dòng)睡眠的缺失。研究發(fā)現(xiàn)快速眼動(dòng)睡眠期間出現(xiàn)肌肉緊張,其主要作用是提高肌肉效率和恢復(fù) ?[57] 。快速眼動(dòng)睡眠在夜間睡眠后半段占據(jù)主導(dǎo),過早清醒導(dǎo)致快速眼動(dòng)睡眠階段的減少可能致使肌肉恢復(fù)不佳從而對(duì)運(yùn)動(dòng)表現(xiàn)產(chǎn)生負(fù)面影響。(3)肌肉損傷和炎癥。一項(xiàng)研究表明肌酸激酶和肌紅蛋白在PSDEN后升高而在PSDBN后無明顯變化,PSDEN后所造成的心臟和肌肉損傷可能大于PSDBN ?[39] 。同時(shí),研究者發(fā)現(xiàn)PSDEN后短時(shí)間高強(qiáng)度運(yùn)動(dòng)所引起的炎癥更大 ?[28] 。由此可推測(cè),PSDEN后較大的肌肉損傷和炎癥可能在一定程度上削弱運(yùn)動(dòng)表現(xiàn)。
4 結(jié)論與建議
4.1 結(jié) 論
部分睡眠剝奪可能對(duì)運(yùn)動(dòng)員人群次日的運(yùn)動(dòng)表現(xiàn)產(chǎn)生負(fù)面影響,具體表現(xiàn)為傳接球和擊發(fā)球準(zhǔn)確性下降、最大力量下降、反應(yīng)時(shí)間增加、無氧表現(xiàn)下降和平衡能力削弱,同時(shí)可使運(yùn)動(dòng)員注意力下降、疲勞感增加和產(chǎn)生較多的消極情緒。早起型部分睡眠剝奪對(duì)運(yùn)動(dòng)員次日下午的運(yùn)動(dòng)表現(xiàn),特別是在短時(shí)間高強(qiáng)度運(yùn)動(dòng)方面的負(fù)面影響大于晚睡型部分睡眠剝奪,而兩種類型的部分睡眠剝奪都不會(huì)影響運(yùn)動(dòng)員次日上午的運(yùn)動(dòng)表現(xiàn)。
4.2 建 議
加強(qiáng)運(yùn)動(dòng)員人群的睡眠教育,養(yǎng)成良好的睡眠習(xí)慣;將運(yùn)動(dòng)員睡眠健康列入日常訓(xùn)練計(jì)劃,進(jìn)行長(zhǎng)期監(jiān)控;對(duì)已經(jīng)出現(xiàn)睡眠剝奪癥狀的運(yùn)動(dòng)員可采取午睡、咖啡因和褪黑素?cái)z入等方法降低部分睡眠剝奪所帶來的的危害。
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哈爾濱體育學(xué)院學(xué)報(bào)2023年2期