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Evening light and sleep quality in older adults
RCT demonstrating reduction of evening blue light exposure improves sleep quality and reduces insomnia symptoms in older adults with sleep complaints.
Sleep Improvements
- Sleep efficiency: +5%
- Insomnia severity: 30% reduction
- Sleep onset latency: 15 min reduction
Light Modification
Blue-blocking glasses or amber (2200K) lighting 2-3 hours before bed.
Outcomes
- Sleep Efficiency5
- Insomnia Severity-30
- Sleep Onset Latency-15min (Minutes)