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In chronotherapy, an attempt is made to move bedtime and rising time later and later each day, around the clock, until the person is sleeping on a normal schedule. This treatment can be used by people with delayed sleep phase disorder who generally cannot reset their circadian rhythm by moving their bedtime and rising time earlier. == Example == Here's an example of how chronotherapy could work over a week's course of treatment, with the patient going to sleep 3 hours later every day until the desired sleep and waketime is reached. (Shifting the sleep phase by 3 hours per day may not always be possible; shorter increments of 1–2 hours are needed in such cases.) * Day 1: sleep 04:00 to 12:00 * Day 2: sleep 07:00 to 15:00 * Day 3: sleep 10:00 to 18:00 * Day 4: sleep 13:00 to 21:00 * Day 5: sleep 16:00 to 00:00 * Day 6: sleep 19:00 to 03:00 * Day 7 to 13: sleep 22:00 to 06:00 * Day 14 and thereafter: sleep 23:00 to 07:00 While this technique can provide temporary respite from sleep deprivation, patients may find the desired sleep and waketimes slip. The desired pattern can only be maintained by following a strictly disciplined timetable for sleeping and rising. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Chronotherapy (sleep phase)」の詳細全文を読む スポンサード リンク
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