This popular wearable and baby monitor helped me view our sleep side by side, and what I learned surprised me.
Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. March 13, 2026 Add as ...
Ultrahuman's findings from a metabolism study show that sleep timing is more important than duration for the body's glucose control.
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