There may be slight daily variances in waking and sleeping onset times, but these all generally even out over a longer stretch of time. Most people have an internal biological clock, or circadian rhythm, that roughly adheres to a 24 hour schedule. Non-24-hour sleep-wake syndrome, also called free-running type or non-24-hour circadian rhythm disorder, is one of many circadian rhythm disorders and probably the rarest and most difficult to correct of all of them.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |