All Questions

Blue light blocking glasses may improve sleep quality for some individuals by reducing exposure to blue light, which can interfere with the production of melatonin, a sleep-inducing hormone. However, the effectiveness can vary depending on individual habits and the quality of the glasses used.

Yes. Research consistently shows caffeine consumed 6 hours or less before bedtime reduces total sleep time, increases awakenings, and lowers sleep quality — even if you don’t “feel” the effects.

Cold exposure can help some people fall asleep faster by lowering core body temperature, but ice baths too close to bedtime may increase alertness and stress hormones.