welltory logo

Welltory is the Ultimate HRV App



Eating Before Bed

Discover the intricate relationship between late-night eating and its impact on sleep duration and quality
Headaches at Night

Headaches at Night

All you needed to know about headaches at night - types of nighttime headaches, their causes, possible treatment and how to avoid them.

Restless Sleep

Learn how to improve your sleep quality with Welltory sleep tracking capabilities and our Top-10 tips on sleeping healthier
How much rem sleep do you need

How much rem sleep do you need

Uncover the essential role of REM sleep in memory consolidation, learning, and emotional regulation. Learn how to determine your REM sleep needs and utilize Welltory for effective sleep tracking to
How Long Should a Nap Be

How Long Should a Nap Be

Uncover the secrets to optimal napping by understanding the influence of chronotype on ideal nap times and durations. Find out how to customize your napping habits for maximum cognitive and
Blood Oxygen During Sleep

Blood Oxygen During Sleep

Discover the crucial role of oxygen in supporting various aspects of sleep, from cellular repair and regeneration to energy production, sleep quality, and cognitive function.

Heart Rate Variability and Sleep

Discover the fascinating connection between heart rate variability (HRV) and sleep, and learn how optimizing these factors can enhance your overall health.

How To Survive Night Shifts

If you're one of the many people who work night shifts, you know firsthand how challenging it can be to maintain your physical and mental health. But don't worry –

Sleep and Muscle Recovery

Sleep can reduce inflammation, promote muscle tissue growth and repair the body during it's muscle-building stage. Find out how in this article

Sex and Sleep — What’s the Relationship

Despite the significant role that both sleep and sex have in overall wellness, the relationship between them is still being researched. Still, more recent studies in health sciences have started

Waking up Tired

Waking up feeling tired is a common issue that many of us face on a daily basis. However, the reasons behind this feeling are not always as obvious as not
Stages of Sleep illustrated for an article

Stages of Sleep and How They Affect Your Health

Science suggests that not getting enough quality shut eye can increase the risk for high blood pressure, cardiovascular disease, diabetes, and depression. To understand how and why sleep impacts your health,

REM Sleep Vs. Deep Sleep

Feeling exhausted but can't fall asleep? Learn about the differences between REM and Deep Sleep
HRV and Sleep Deprivation

HRV and Sleep Deprivation

Using just your phone or smart watch, you can get incredible insights into your physical and mental health, including how your sleep habits affect your life.

Heart Rate During Sleep

Heart rate during sleep is changing and depends on many factors and stages of sleep, therefore, pulse monitoring is considered the most accurate method to monitor sleep.

Melatonin: Is it useful at bedtime?

Though melatonin is widely considered to help with insomnia, headaches, and depression, the truth is a bit more complicated. Here’s what the science says.

Why is sleep important?

Your body has an inner clock determined by your circadian rhythm. Our circadian rhythms are set by internal and external factors.

How to track sleep

Find out why you need to track your sleep, what gadgets and apps you can use.