Do you have trouble going to sleep (or staying asleep)? I have friends who wake up in the night to take melatonin (which seems counterproductive, though I don’t want to be discouraging). My method is to make sure that the temperature in the house starts with a “6” in fahrenheit (“5” would work better, but my family would protest from under their mounds of elk skins).
In any case, The New Yorker (“Annals of Insomnia”) has an amusing article for anyone who has (or fears) sleep issues:
Patricia Marx, “In Search of Forty Winks: Gizmos for a good night’s sleep” The New Yorker (Feb. 8 & 15, 2016) [link]
Read it tonight — not on your computer, silly, avoid that blue light! Print it out and leave it on your bedside table.