A woman who is sleeping

Sleep and Dreaming

Learn about the relationship between sleep and dreaming and how your mind uses the down time to work through unresolved or even unknown issues and feelings.
A man asleep at his desk in front of his laptop
Narcolepsy: Definition, Symptoms, Traits, Causes, Treatment
By Kendra Cherry
Tired
How to Feel Less Tired During the Day
Medically reviewed by Armeen Poor, MD
Photo of a man who cannot sleep
Reasons Why You're Not Sleeping Well
Medically reviewed by Armeen Poor, MD
Man lying on couch with eyes closed.
7 Breathing Exercises for Better Sleep
Medically reviewed by Steven Gans, MD
Young man watching sunrise in his bedroom
Why Can't I Remember My Dreams When I Wake Up?
Medically reviewed by Armeen Poor, MD
Dream Interpretation: two people walking on water
Methods of Dream Interpretation: What Do Dreams Mean?
Reviewed by Amy Morin, LCSW
Sad woman awake in bed
The Relationship Between Stress and Sleep
Medically reviewed by Sanja Jelic, MD
There are ways to improve sleep quality.
How to Fall Asleep Fast: A 4-Week Program
By Mark Stibich, PhD
sleeping
9 Common Dreams and What They Supposedly Mean
Reviewed by Amy Morin, LCSW
woman napping on couch with clouds floating above her
Manifest Content of Your Dreams
Medically reviewed by Carly Snyder, MD
joggers at night
8 Reasons You're Not Sleeping Well
Medically reviewed by Sanja Jelic, MD
Woman asleep and dreaming
Latent Content as the Hidden Meaning of Your Dreams
Reviewed by Amy Morin, LCSW
Woman sleeping
Theories of the Reasons Why We Sleep
Medically reviewed by Sanja Jelic, MD
Activation-synthesis suggest brain activity leads to dreaming
Activation Synthesis Model of Dreaming
Medically reviewed by Huma Sheikh, MD
Woman in dream holding colorful balloons and standing on water
10 Interesting Facts About Dreams
Medically reviewed by Claudia Chaves, MD
Couple in bed at night, woman sleeping, man awake
How Stress Contributes to Sleep Problems
Reviewed by Rachel Goldman, PhD, FTOS
sleeping woman
How Sleep Helps the Brain Clean Itself
Medically reviewed by Sanja Jelic, MD
Dream conceptualization
Why Do We Dream: The Purpose of Common Dreams
Medically reviewed by Shaheen Lakhan, MD, PhD, FAAN
Woman asleep in bed
What Is REM Sleep?
Medically reviewed by Armeen Poor, MD
Businessmen chasing each other
These Are the 5 Major Characteristics of Dreams
Reviewed by David Susman, PhD
Hispanic woman sleeping with empty thought bubble
What Other People Dream About
By Kendra Cherry