Wear these glasses at least 2-3 hours before bedtime so 99% of the harmful 400-500nm blue light spectrum is blocked, helping you more easily achieve the deep, restorative night of sleep you need for performing at your peak.
A 2020 study by the University of Washington and Indiana University found that workers who wore Night Swannies Blue Light Blocking Glasses in the evening before bed significantly improved the quality and quantity of their sleep, along with their effectiveness at work the next day.
In the week they wore Night Swannies, workers:
- Slept 6% longer
- Improved the Quality of their sleep by 14%
- Improved their Task Performance by 9%
- Increased their Work Engagement by 8.5%