Sleep glossary
battery life
Updated
For sleep products, it should cover the full routine without adding nightly anxiety.
Plain-English definition
Battery life is how long a powered product runs before it needs charging or new batteries.
For sleep products, it should cover the full routine without adding nightly anxiety.
Why it matters
Earbuds, trackers, travel sound machines, and heated products all fail the routine test if charging is awkward.
Buying relevance
Use this term as a practical buying clue, then check the current manufacturer wording, setup guidance, materials, and returns policy. It should not be treated as a medical claim or a guarantee of how a product will work for you.
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