没有晨光的昼夜节律相位延迟和第二天早晨强光照射的相位提前之间的关系。

IF 2.1 Q3 CLINICAL NEUROLOGY
Michihiro Ohashi, Taisuke Eto, Toaki Takasu, Yuki Motomura, Shigekazu Higuchi
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引用次数: 0

摘要

人类有昼夜节律,其周期因个体而异。在本研究中,我们研究了在昏暗的光线下度过一天后(第1天至第2天)昼夜节律的自然相位延迟量,以及第二天早上(第2天至第3天)由于光照(8000 lx,4100 K)而导致的相位提前量。还研究了相移与昼夜节律、时间类型和睡眠习惯的关系。研究了昏暗褪黑激素发作(DLMO)作为每天的昼夜节律相位标志。在用于分析的27名个体中,从第1天到第2天,DLMO显著延迟(-0.24±0.33小时,p<0.01),从第2天到第3天,DLMO显著提前(0.18±0.36小时,p<0.05)。相移之间存在显著相关性,在昏暗环境中相位延迟较大的受试者在光照下相位提前较大(r=-0.43,p<0.05)。然而,与昼夜节律、时间类型或睡眠习惯没有显著相关性。这些相移可能反映了相位的稳定性,但不考虑个人的时间类型相关指标。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Relationship between Circadian Phase Delay without Morning Light and Phase Advance by Bright Light Exposure the Following Morning.

Relationship between Circadian Phase Delay without Morning Light and Phase Advance by Bright Light Exposure the Following Morning.

Relationship between Circadian Phase Delay without Morning Light and Phase Advance by Bright Light Exposure the Following Morning.

Relationship between Circadian Phase Delay without Morning Light and Phase Advance by Bright Light Exposure the Following Morning.

Humans have a circadian rhythm for which the period varies among individuals. In the present study, we investigated the amount of natural phase delay of circadian rhythms after spending a day under dim light (Day 1 to Day 2) and the amount of phase advance due to light exposure (8000 lx, 4100 K) the following morning (Day 2 to Day 3). The relationships of the phase shifts with the circadian phase, chronotype and sleep habits were also investigated. Dim light melatonin onset (DLMO) was investigated as a circadian phase marker on each day. In the 27 individuals used for the analysis, DLMO was delayed significantly (-0.24 ± 0.33 h, p < 0.01) from Day 1 to Day 2 and DLMO was advanced significantly (0.18 ± 0.36 h, p < 0.05) from Day 2 to Day 3. There was a significant correlation between phase shifts, with subjects who had a greater phase delay in the dim environment having a greater phase advance by light exposure (r = -0.43, p < 0.05). However, no significant correlations with circadian phase, chronotype or sleep habits were found. These phase shifts may reflect the stability of the phase, but do not account for an individual's chronotype-related indicators.

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来源期刊
Clocks & Sleep
Clocks & Sleep Multiple-
CiteScore
4.40
自引率
0.00%
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审稿时长
7 weeks
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