Replace phone scrolling with a physical book at bedtime

A physical book provides relaxation without blue light, notifications, or the variable-reward loop.

Why it works

Bedtime reading of a physical book reduces arousal (unlike screens) while satisfying the cognitive need for stimulation that makes phone-scrolling attractive at night. Paper books produce no light that suppresses melatonin, carry no notifications, and have no algorithmic feed — the only variable is the story, which resolves predictably toward sleep rather than escalating.

How to do it

1. Keep a physical book on your nightstand. Before sleep, read 15-30 pages.
2. Choose absorbing but not highly stimulating content — fiction or biography works well; news or work-related content does not.
3. Read until you feel sleepy rather than forcing a time target.
4. This works best in combination with the screen curfew and phone-outside-bedroom practices.

Evidence

Reading before bed is a long-standing sleep hygiene recommendation. Studies comparing e-reader versus physical book reading find that print reading does not delay melatonin onset; there is also a narrative engagement effect that reduces pre-sleep rumination. (observational)

Most studies use print reading as a non-screen comparison rather than as the primary intervention; its independent sleep-improvement effect is supported by the contrast rather than direct study.

Sources

• Chang et al. (2015), light-emitting eReaders and sleep, PNAS — comparison includes print reading as a control
• Chang, A.-M., Aeschbach, D., Duffy, J. F., & Czeisler, C. A. (2015). Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness. Proceedings of the National Academy of Sciences, 112(4), 1232-1237.

Common mistake

Reading on a Kindle or tablet and assuming it is equivalent to a paper book because it feels like reading — e-ink screens have lower blue-light output but bright backlit tablets do not.