Optimize Your Biology

4:53

Testing VivaRays UV Lenses... Do They Work?

9:18

Testing the Northern Light SAD Lamps!

12:13

DON'T buy mouth tape until you watch this! (I tried them all...)

7:12

Testing the Chroma Sky Portal 2.1 SAD Light Therapy Lamp

5:43

Testing the SOLshine Light Therapy Lamps

4:15

Testing the Carex Elite SAD Lamp. One of My New Favorites!

7:38

How to Build Your Own Vitamin D Lamp! (With Blood Testing!)

5:27

Testing the Philips Hue Twilight: The Best Sunrise Alarm Ever?

11:49

The Science Behind Sunrise Alarms: Can They Actually Help You Sleep Better?

7:39

Testing the Philips SmartSleep Sunrise Alarm Clocks

9:10

My Scientific Review of the Lumie Bodyclocks

10:33

My Scientific Review of the Two-Phase Loftie Sunrise Alarm Clock

12:39

My Scientific Review of the Hatch Restore Sunrise Alarm Clocks

5:04

Is the Casper Glow the Ultimate Portable Sunrise Alarm Clock? Hands-On Review + Testing

18:22

Which Sunrise Alarm Clock is the BRIGHTEST? We Tested Them ALL!

9:51

Retimer 3 SAD Glasses: A Scientific Review

13:33

SKYVIEW 2: Does This Circadian Lamp Live Up to the Hype?

8:13

Lumie SAD Lamps: Do They Really Work? | Science-Based Review

17:50

The Ultimate Guide to Making Your Own Full-Spectrum SAD Light

9:58

Alaska Northern Lights: SAD Lamp Performance Tested

8:54

Which One is Better? Carex Classic and Sky SAD Lamps Put to the Test!

14:23

HappyLight Showdown: All 10 SAD Lamps Tested and Ranked

10:37

Battling Headaches: 4 Best-Selling Migraine Glasses Tested

7:10

Is Luminette Drive Worth It? In-Depth Look at Car Light Therapy

4:54

Propeaq Review: Does This Novel Device Live Up to the Hype?

16:22

Testing All 6 of the Circadian Optics SAD Lamps!

7:13

Pegasi 2 Review: Is It Really Worth It?

9:07

Luminette 3 Review: Testing the Brightest Light Therapy Glasses!

7:28

AYO Light Therapy Glasses: Testing and Why I Love Them

7:08

Re-Timer Review: How They Compare to the Competition!

6:15

Is the SPERTI Worth the Hype? Our In-Depth Test