Sleep Science

When to take L-theanine before bed, gold clock and leaf motif on black

How Long Before Bed Should You Take L-Theanine?

Timing L-theanine well makes it more useful for sleep. Here is the window that fits how it is absorbed, the dose, and how to time it around caffeine.

How Long Before Bed Should You Take L-Theanine?

Timing L-theanine well makes it more useful for sleep. Here is the window that fits how it is absorbed, the dose, and how to time it around caffeine.

Sauna and cold plunge effects on sleep, gold temperature motif on black

Do Cold Plunges and Saunas Actually Help You Sl...

Cold plunges and saunas are popular recovery tools, but their effect on sleep comes down to body temperature and timing. Here is what the science actually supports.

Do Cold Plunges and Saunas Actually Help You Sl...

Cold plunges and saunas are popular recovery tools, but their effect on sleep comes down to body temperature and timing. Here is what the science actually supports.

L-theanine and sleep with a caution accent, gold on black

Can L-Theanine Disrupt Sleep? When It Might Bac...

L-theanine is one of the gentlest sleep-support ingredients, but no supplement suits everyone. Here is when it might not work for you, and how to use it well.

Can L-Theanine Disrupt Sleep? When It Might Bac...

L-theanine is one of the gentlest sleep-support ingredients, but no supplement suits everyone. Here is when it might not work for you, and how to use it well.

Ashwagandha versus melatonin for sleep, gold root and molecule motifs on black

Ashwagandha vs Melatonin for Sleep: What the Re...

Ashwagandha and melatonin are often compared, but they solve different problems. Here is what the research shows each one actually does, and how to choose.

Ashwagandha vs Melatonin for Sleep: What the Re...

Ashwagandha and melatonin are often compared, but they solve different problems. Here is what the research shows each one actually does, and how to choose.

Best sleep supplement for golfers, steady focus and fine motor control

Best Sleep Supplement for Golfers

Golf is the athlete's sport where the body matters least and the mind most: fine motor control, focus and judgment held steady over hours. All fade first when under-slept.

Best Sleep Supplement for Golfers

Golf is the athlete's sport where the body matters least and the mind most: fine motor control, focus and judgment held steady over hours. All fade first when under-slept.

Best sleep supplement for Ironman triathletes, recovery for extreme volume

Best Sleep Supplement for Ironman Triathletes

Ironman is the deep end of endurance: three disciplines, enormous hours, and double sessions that leave the body in permanent repair. Sleep is the one recovery variable big enough to...

Best Sleep Supplement for Ironman Triathletes

Ironman is the deep end of endurance: three disciplines, enormous hours, and double sessions that leave the body in permanent repair. Sleep is the one recovery variable big enough to...