CellWell record HH-53518
Effects of Morning Bright Light Therapy on Sleep, Alertness, Mood, and Cognition in Healthy University Students: A Randomized Crossover Trial
Cehao Yu; Caicai Zhang; Hayley Tsang; Lu Li; Nayantara Santhi
2026
In plain language
In 33 healthy university students, one week of morning bright light exposure reduced daytime sleepiness and night-to-night sleep variability, improved sleep efficiency and positive mood, but did not change objective cognitive performance.
- Evidence
- Emerging
- Design
- Randomized controlled trial
Cite this record: https://thecellwell.org/studies/HH-53518
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