Why you are stiffest first thing

Medically reviewed by Kristian Tarong, DC on September 19, 2026

You are also measurably taller. Both have the same cause.

Spinal discs draw water back in while you lie down overnight. You wake up slightly taller and noticeably stiffer, and both settle within about an hour of moving.

Move before you bend

Walk for a few minutes before loading the back.

Skip deep bends early

Give it an hour before heavy forward folding.

Warm before you load

A short warm shower or gentle movement first.

How long does it usually last?

Normal morning stiffness eases within roughly thirty to sixty minutes of being up and moving. Stiffness that lasts most of the morning, or comes with swelling, is a different pattern and worth having looked at.

When should you see someone?

• Stiffness lasting more than an hour every morning
• Pain that wakes you during the night
• Swelling or warmth in a joint
• Numbness or weakness in a leg or foot
• Symptoms that began after a fall or injury

How do you keep it from coming back?

• Move early rather than sitting straight down
• Avoid deep forward bends in the first hour
• Keep the day itself active, which affects the night
• Keep a consistent sleep and wake time

Am I really taller in the morning?

Yes, usually by a small amount. It is the same cause as the stiffness, and it goes away through the day as the discs are loaded again.

How long should morning stiffness last?

Roughly thirty to sixty minutes of being up and about. Longer than an hour every day is a different pattern.

When should I get morning stiffness checked?

If it lasts more than an hour daily, wakes you at night, comes with joint swelling, or follows an injury.