A 2025 study using UK Biobank and HypnoLaus data found habitual high caffeine intake shortens sleep time but increases NREM sleep depth.
The post Heavy Caffeine Use May Have a Surprising Effect on Deep Sleep appeared first on The Hearty Soul.
A 2025 study using UK Biobank and HypnoLaus data found habitual high caffeine intake shortens sleep time but increases NREM sleep depth.
The post Heavy Caffeine Use May Have a Surprising Effect on Deep Sleep appeared first on The Hearty Soul.