Key Insights on Sleep

Future health tech will write to biology: cooling core body temperature through palms/feet, eye masks for sleep induction

• Cortisol awakening response is healthy and necessary - spiking cortisol in the first hour after waking prevents afternoon anxiety and sleep problems
• Glymphatic clearance during sleep requires side sleeping with head slightly elevated to wash brain waste through cerebrospinal fluid
• Pinealin peptide pulsed every third night can produce dramatic improvements in REM sleep consistently
• Melanopsin ganglion cells in your eyes regulate circadian rhythms, dopamine levels, metabolism, and pain threshold based on light exposure

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