Blackout & Environment (3 products)
The $18 blackout solution that beats $200 curtains, based on published opacity specs.
Temperature (2 products)
The cooling method that beats expensive pods at 1/10th the cost.
Sound (2 products)
Pink noise vs white noise: the data on which one keeps you in deep sleep longer.
Timing & Light (2 products)
The light-based alarm that eases you awake instead of jolting you.
Supplements (3 products)
The one supplement with consistent evidence. The two Rick takes that Dr. Chen approved.