
Pietari Nurmi
Doctoral Researcher, Cognitive Neuroscientist
Aalto University, Dept. Neuroscience and Biomedical Engineering
Pietari Nurmi is a cognitive neuroscientist experienced with brain research using electrophysiological neuroimaging methods. He is the head of Nyxo Sleep Coaching and a researcher at Aalto University. Besides sleep science, he has expertise in the field of neurolinguistics.
You can follow him on Twitter.
Lessons
Addicted to Caffeine?
Alcohol – Myths and Facts
Are Sleep Aids Even Helpful?
Bedtime Window
Difficulty Falling Asleep
Do You Eat at the Right Time?
Do You Sleep Enough?
Earlier Sleep–Wake Cycle
Exercise and Sleep
Heart Rate Variability (HRV) – Is the Hype Justified?
How Nicotine Affects Your Sleep
How to Fall Asleep Faster?
How to Improve Your Sleep Quality?
How to Optimize Physical Performance by Sleeping
Internal Clock
Is Napping Bad for You?
Lack of Sleep Makes Us Fatter
Light and Displays
Mind Control
Morning Routines
Sleep Hygiene
Sleep Inertia = Grogginess
Sleep Pressure
Sleep Stages Explained
Sleep Trackers Pt. 1: What You Should Know About Sleep Data and Sleep Tracking
Sleep Trackers Pt. 2: How to Choose the Best Tracker for You
Social Jet Lag
Time to Wake Up!
Tips for Better Sleep Hygiene
Tips for Sustaining Sleep
Wake-Up Window
Welcome to Nyxo Sleep Coaching!
What Can Heart Rate Tell About Your Sleep
Why We Sleep?
Work and Stress
You Snooze, You Loose
Articles

How to Use Sleep for Your Success
Time is money. By signing an employment contract, you can literally exchange your time for cash. Time is also the most valuable resource we humans can possess.…
Sleep Tracker Buyer's Guide Pt. 2: How to Choose the Best Tracker for You
Let's continue our expedition into the world of sleep trackers! If you haven't read part one yet, do it now! By now, you probably have some clue on how sleep…
Sleep Tracker Buyer's Guide Pt. 1: What You Should Know About Sleep Tracking
Using a wearable device is by far the most popular way to track your sleep at home. Practically every activity tracker in 2020, even the cheapest wristbands,…

Heart Rate Variability (HRV) – Is the Hype Justified?
Most sleep and activity trackers measure heart rate. Many also report something called "heart rate variability" or HRV. What on earth is that, and what are HRV…

What Can Heart Rate Tell About Your Sleep
Night-time heart rate is a widely used metric in sleep tracking, and many trackers report your heart rate curve during the night. But what does it actually…

NBA Bought 2000 Oura Rings, and This Is Why It's the Best Thing for Sports Ever
American basketball league NBA just bought 2000 Oura smart rings for their players and teams. The basketball season was interrupted by the COVID-19 pandemic,…

Why Doesn't Sleep Refresh You?
Feeling tired? Does it seem like sleep isn't restoring you? Even if you go to bed on time and sleep the recommended amount, that doesn't guarantee your sleep…