Sleep Science

phone in bed, doomscrolling, deep sleep, screen time, sleep hygiene, sleep science

Phone in Bed: How Late-Night Scrolling Wrecks Y...

Why scrolling in bed is worse for deep sleep than you think, and how to break the loop for good.

Phone in Bed: How Late-Night Scrolling Wrecks Y...

Why scrolling in bed is worse for deep sleep than you think, and how to break the loop for good.

Blue light glasses resting next to a glowing phone in a dark room

Do Blue Light Glasses and Night Mode Actually P...

The honest, evidence-based verdict on blue light glasses and phone night mode, and what to do instead.

Do Blue Light Glasses and Night Mode Actually P...

The honest, evidence-based verdict on blue light glasses and phone night mode, and what to do instead.

Sleep performance: Why Do I Wake Up at 3am Every Night?

Why Do I Wake Up at 3am Every Night?

That 3am wake-up isn't random. It's a precise cortisol signal about your deep sleep architecture — and most sleep supplements completely ignore it.

Why Do I Wake Up at 3am Every Night?

That 3am wake-up isn't random. It's a precise cortisol signal about your deep sleep architecture — and most sleep supplements completely ignore it.

Person sleeping in a dark bedroom lit by a warm bedside lamp

Blue Light and Deep Sleep: What Screens Do to S...

Blue light does not attack deep sleep directly. It shifts your body clock and delays sleep, which costs you the deep sleep loaded into the first hours of the night....

Blue Light and Deep Sleep: What Screens Do to S...

Blue light does not attack deep sleep directly. It shifts your body clock and delays sleep, which costs you the deep sleep loaded into the first hours of the night....

Woman sleeping deeply in a calm bedroom

Screen-Induced Sleep Deficit: The Complete Guide

The definitive guide to screen-induced sleep deficit: what it is, the three ways screens steal your deep sleep, and how to get it back.

Screen-Induced Sleep Deficit: The Complete Guide

The definitive guide to screen-induced sleep deficit: what it is, the three ways screens steal your deep sleep, and how to get it back.

Sleep performance: Why Is My Deep Sleep So Low on My Smartwatch?

Why Is My Deep Sleep So Low on My Smartwatch?

If your smartwatch is reporting low deep sleep, it's probably accurate. Here's the biology behind low N3 readings and evidence-backed ways to fix it.

Why Is My Deep Sleep So Low on My Smartwatch?

If your smartwatch is reporting low deep sleep, it's probably accurate. Here's the biology behind low N3 readings and evidence-backed ways to fix it.