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Nighttime Phone Use Disrupts Sleep for 90% of Americans

3/28/2026

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Summary

Story summary

Dr. Wendy Troxel, a clinical psychologist at RAND, identifies nighttime phone use as a major cause of poor sleep among Americans.
She said about 90% of Americans use their phones in bed, which disrupts sleep through blue light and stimulating content.
Troxel recommends keeping phones at least an arm's length away while in bed and advises against using phones in bed to create 'behavioral friction'.

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Story summary

Dr. Wendy Troxel, a clinical psychologist at RAND, identifies nighttime phone use as a major cause of poor sleep among Americans.
She said about 90% of Americans use their phones in bed, which disrupts sleep through blue light and stimulating content.
Troxel recommends keeping phones at least an arm's length away while in bed and advises against using phones in bed to create 'behavioral friction'.