[ **up: [[Circadian rhythms]] | [[Hormones]]** ] --- # Melatonin **Melatonin** is hormone that facilitates a drop in core body temperature and prepares the body to sleep (and stay asleep).’[^1] *See also:* - [[Circadian rhythms#Melatonin supplements|Circadian rhythm & melatonin supplements]] [^1]: Alex Mortlock, ‘Late Nights, Later Days: The Under-Recognized Impact of Delayed Sleep Phase Syndrome in ADHD’, *[['ADDitude Magazine'|'ADDitude Magazine']],* updated 21 May 2024, https://www.additudemag.com/delayed-sleep-phase-syndrome-signs-treatments-adhd/.