Sleep

Sleep apnea leaving you exhausted? We spent 480 hours lab-testing the best overnight pulse oximeters against a $1,500 hospital monitor. See the winners!

Which overnight oximeter actually tracks drops? We tested Wellue O2Ring, SleepU & O2Ring S, Checkme O2 Max/Ultra against a hospital-grade Nonin 3150.

Suspect sleep apnea? We reviewed the EMAY SleepO2’s ability to track oxygen drops and desaturations. Discover why this “hidden gem” scored 96.5/100 for accuracy.

Can smart lights replace a sunrise alarm clock? We tested Philips Hue, LIFX, and IKEA to find the best wake-up setup for your bedroom.

Shift worker or frequent flyer? The Lumos mask claims to hack your sleep schedule. Our review tests the science, comfort, and real-world results.

I measured the brightness, sunrise curve, and flicker of 15 sunrise alarm clocks (also called wake-up lights). Here’s what’s worth buying in 2026 — and what to skip.

We tested the Loftie Clock & Lamp. See our lux data, flicker analysis, and why this smart alarm might be the best phone-free sleep tool.

We tested 4 Lumie Bodyclocks. See the lux output, flicker analysis, and why the Shine 300 is the brightest but might not be the best choice.

Is the Hatch Restore 3 the best sleep assistant? Our lab tests reveal the truth about its brightness, flicker, and whether Hatch+ is worth the cost.

Confused by the SmartSleep models? We tested all three. Compare lux, flicker, and alarm features to find the right Philips sunrise alarm for you.