Changes
From Polyphasic Sleep Wiki
73 bytes removed
, 3 years ago
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| ==根拠== | | ==根拠== |
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− | <div lang="en" dir="ltr" class="mw-content-ltr">
| + | 現代の電気照明が登場する以前、夜の間に光の少ない安定した時間帯を持っていました。これにより、概日リズムが安定し、自然な昼夜のサイクルと同期していました。 |
− | Before the advent of electrical lighting in modern times, humans historically had a stable period of time during the night in which there was little light. This kept their circadian rhythms stable and synchronized to the natural day/night cycle.
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− | </div>
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| <div lang="en" dir="ltr" class="mw-content-ltr"> | | <div lang="en" dir="ltr" class="mw-content-ltr"> |