Eating close to bedtime can quietly cost you sleep — and it's more about when you eat than what. A sleep specialist explains the timing that actually matters.

Sleeping apart sounds dramatic, but for many couples it is just good sleep hygiene. A sleep specialist talks about when separate beds help — and how to do it well.

Screens get blamed for bad sleep, but pooled research shows blue light delays it by under 3 minutes. A sleep specialist on what actually keeps you up at night.

Melatonin isn't a sleeping pill — it's a timing signal. A behavioral sleep specialist explains what it actually helps, the right dose, and when to skip it.