The 90-Minute REM Sleep Cycle Guide for Morning Energy

The 90-Minute REM Sleep Cycle Guide for Morning Energy

Have you ever woken up from eight hours of sleep feeling groggy, and then woken up from seven hours feeling bright and ready to go? The difference often has less to do with the total hours than with when you woke up within your sleep cycles. Understanding those cycles — and the roughly 90-minute rhythm …

Read more

Merino Wool Sleepwear vs Cotton: Which Improves REM Sleep?

Merino Wool Sleepwear vs Cotton: Which Improves REM Sleep?

Most sleep advice focuses on the bedroom and the bed. The pyjamas you wear get far less attention, which is odd, because they are the layer closest to your skin for eight hours a night. If your sleepwear traps sweat, clings when damp, or leaves you shivering when you throw off the covers, it can …

Read more

HealthWool is an independent guide to cozy sleep, thermal comfort, and natural textiles. All content is for informational and lifestyle purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Stay in the loop

Get the newest guides in your inbox. No spam, unsubscribe anytime.