title: Editorial: "Early to bed" or sleep revisited.
mesh_terms: D000293:Adolescent; D000324:Adrenocorticotropic Hormone / Q000378:metabolism; D000328:Adult; D000367:Age Factors; D002648:Child; D002940:Circadian Rhythm; D013006:Growth Hormone / Q000378:metabolism; D006728:Hormones / Q000378:metabolism*; D006801:Humans; D007031:Hypothalamus / Q000502:physiology; D007986:Luteinizing Hormone / Q000378:metabolism; D008297:Male; D012890:Sleep; D012895:Sleep, REM; D014851:Wakefulness
chemical_list: D006728:Hormones; D000324:Adrenocorticotropic Hormone; D007986:Luteinizing Hormone; D013006:Growth Hormone