Skip Nav

What Happens When You Don't Sleep

21 Reasons Sleep Should Be Your Number 1 Priority

Sleep is one of those things that we all say we're going to do more of . . . and then never actually do. But it's a more serious problem than you think. While we were making resolutions about drinking more water and adding more sleep to our schedule, we began to wonder what would happen if we didn't follow through on said resolutions. We know what happens when you don't drink water (it's scary), but what about when you don't sleep?

As it turns out, the effects can be crazy serious — and weight gain isn't even the worst of it.

Milder Effects

In the earlier stages, you'll experience effects like:

Severe Effects

When you consistently don't get enough sleep, your body takes a serious toll — it can even lead to death.

Symptoms of Fatigue

Before you notice the effects of skipping ZZZs, you'll likely notice these symptoms that may be indicators you have a serious problem:

  • Tiredness (seems obvious, but . . . )
  • Headaches
  • Faintness or dizziness
  • Aches, chills, or muscle soreness
  • Loss of appetite or nausea
  • Unusual irritability, moodiness
  • Physical fatigue and muscle weakness
  • Blurred vision
Image Source: POPSUGAR Photography / Maria del Rio
Product Credit: Stella McCartney PJ set
I Followed a Sleep Expert's Tips to Improve My Sleep Health
What Is the 4-6 Breathing Technique?
Does Exercise Help You Sleep?
What Is the Best Late-Night Snack For Weight Loss?
How Long Should I Nap For?
Common Sleep Myths
Wind-Down Routine to Fall Asleep
Meditation Techniques You Can Do in Bed
How to Use iPhone's Hidden Sleep Timer
Fast and Easy Vegetarian Dinners
Alternatives to New Year's Resolutions
Healthy New Year's Resolutions Not About Losing Weight
Latest Fitness
All the Latest From Ryan Reynolds