Sleeping in at the weekend is sabotaging this golden sleep rule — an expert explains how to fix it

I'm not 'catching up' on sleep, I'm ruining the next week ...
The Boston Globe

A study questions melatonin use and heart health but don’t lose sleep over it

WASHINGTON — Don’t lose sleep over headlines linking melatonin to heart failure. That’s the message after some scary-sounding reports about a preliminary study involving the sleep-related supplement.