Which sleep sound are the best for falling asleep? How about staying asleep? And is the future of sleep simply a story without an ending?

How far can sound travel through space, since it’s so empty? Is there an echo in space? – Jasmine, age 14, Everson, Washington In space, no one can hear you scream. You may have heard this saying.

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? To be honest, aside from minor sleep apnea, I don’t struggle with my sleep too ...