When I started to sleep better (due to standing and morning light), my health improved: I stopped getting colds. There was plenty of pre-existing evidence linking better sleep and better immune function; a new study connects the two even more strongly.
When I started to sleep better (due to standing and morning light), my health improved: I stopped getting colds. There was plenty of pre-existing evidence linking better sleep and better immune function; a new study connects the two even more strongly.