Changes

[[Special:MyLanguage/Biphasic|二相]]睡眠也是被常用的回复类型。因为这种时程有两个睡眠段落，可以对其中一个中使用闹钟，而对第二个不设限制。

[[Special:MyLanguage/Biphasic|二相]]睡眠也是被常用的回复类型。因为这种时程有两个睡眠段落，可以对其中一个中使用闹钟，而对第二个不设限制。

*如果由于生活上的不便而无法获得足够睡眠时间，[[Special:MyLanguage/E1|E1]]和[[Special:MyLanguage/Siesta|Siesta]]在夜间的主段可能会受到限制。为了弥补失去的睡眠，二相时程会在中午前后安排一个不设定闹钟的睡眠。不过，白天的睡眠时间不应超过约2小时，因为这可能会破坏[[wikipedia:Circadian_rhythm|昼夜节律]]的稳定性或使晚上难以入睡。因此，限制白天的睡眠段落，但在夜间睡眠不设定闹钟也是有意义的。

* [[Special:MyLanguage/E1|E1]] and [[Special:MyLanguage/Siesta|Siesta]] may have a restricted nocturnal core if it's impossible to sleep for long enough due to social inconveniences. In order to compensate for the lost sleep, a no-alarm sleep is scheduled during midday. Sleep during the day shouldn't be longer than ~2 hours though, as this may destabilize [[wikipedia:Circadian_rhythm|circadian rhythm]] or make it difficult to fall asleep in the evening. For this reason, it also makes sense to restrict the daytime block of sleep, but leaving the nocturnal sleep without alarms.

*在[[Special:MyLanguage/Segmented|分割]]时程上，可以针对第一个主段使用闹钟，而让自己在第二个主段自然醒来。

* On [[Special:MyLanguage/Segmented|Segmented]], it's possible to use alarms for the first core, waking up from the second one naturally.

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===随意===

=== Random ===

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