Waking up at night and feeling restless can happen when your body is partially activated instead of fully relaxed. Stress, physical discomfort and overheating are common contributors, and stress hormones such as cortisol may play a part. Sleep can then stay light and unsettled, making it harder to stay asleep or fall back asleep.
Who This Is For
- You wake up and feel physically unsettled or unable to relax
- You keep shifting positions trying to get comfortable
- Your mind may or may not be racing
- You wake around the same time each night
- You struggle to fall back asleep even though you feel tired
Quick Fix / Summary
- Focus on slow breathing to calm your body
- Avoid engaging with thoughts or stimulation
- Keep your sleep schedule consistent
- Reduce stress before bed
- Check your sleep environment and comfort
- Keep your evening routine consistent
Why This Happens
Your Nervous System Stays Slightly Activated
Restlessness can be a sign your body isn’t fully settling for sleep.
What happens:
- Your body stays in a mild “on” state
- Muscles don’t fully relax
- You feel unsettled rather than sleepy
This overlaps with everyday stress that wakes you at night, especially after mentally demanding days.
Stress Hormones May Still Be Active
Some people find stress leaves them feeling restless at night, and stress hormones may play a part, though this is hard to confirm in any one person.
What this feels like:
- A wired but tired feeling
- Difficulty staying still
- Light, fragmented sleep
This is similar to can cortisol wake you up at night, which looks at whether stress hormones could be shifting you toward alertness too early.
Your Body Is Reacting to Discomfort
Physical discomfort can trigger restlessness without you fully noticing.
Common causes:
- Overheating
- Poor mattress or pillow support
- Awkward sleeping position
If your setup is off, it can lead to waking up with back pain or general discomfort that keeps you moving.
If the restlessness is mainly an urge to move your legs, often with uncomfortable sensations that ease when you move and are worse in the evening, that pattern is typical of restless legs syndrome, which is worth raising with a doctor.
Low Blood Sugar (Mainly If You Take Diabetes Medicines)
When blood sugar drops too low, MedlinePlus lists symptoms such as shaking, sweating, feeling nervous and trouble sleeping. But Mayo Clinic notes that the most common risk factor for low blood sugar is having diabetes and taking insulin or some other diabetes medicines, and that it is much less common in people without diabetes. If you don’t have diabetes, a blood sugar dip is an unlikely reason for waking up restless, and the stress, cortisol and comfort causes above are better places to start.
What to do:
- If you take insulin or another diabetes medicine and wake up shaky, sweaty or confused, talk to your diabetes care team
- If you don’t have diabetes but often wake up shaky or hungry, mention it to a doctor rather than relying on bedtime snacks to fix it
For what is and isn’t known, see does blood sugar affect sleep at night.
Your Sleep May Be Lighter in the Second Half of the Night
You spend the most time in deep sleep during the first half of the night, so sleep in the early morning hours tends to be lighter.
That may mean:
- You’re easier to wake
- Small disruptions feel stronger
That may be one reason restlessness can show up in the early morning even without obvious triggers. Our guide to sleeping through the night without waking up covers this in more depth.
How to Fix It
Step 1: Calm Your Body First
Restlessness often feels physical, so it can help to focus on your body rather than your thoughts.
What to do:
- Use slow breathing (long exhales)
- Keep your body still
- Let the sensation pass without reacting
If your sleep keeps becoming light, fragmented, or disrupted, improving falling back asleep after waking up can help stabilize your sleep continuity.
Step 2: Don’t Reinforce the Wake-Up
Your response can either calm or amplify restlessness.
Avoid:
- Checking your phone
- Turning on bright lights
- Getting mentally engaged
If you tend to stay awake, the steps in how to fall back asleep after waking up are key.
Step 3: Reduce Evening Stimulation
Your nighttime state reflects your evening habits.
Helpful changes:
- Reduce screen exposure late
- Avoid intense mental work
- Give your body time to unwind
If your schedule is inconsistent, how to build a consistent sleep routine helps stabilize your system.
Step 4: Stabilize Your Evenings
Your body prefers consistency.
Simple adjustments:
- Eat balanced meals
- Avoid heavy meals close to bedtime
This supports staying asleep through the night.
Step 5: Improve Physical Comfort
Small physical issues can contribute to restlessness.
Check:
- Pillow support (neck alignment)
- Mattress comfort
- Room temperature (slightly cool works best)
Improving your setup may reduce movement and help you stay comfortable.
Practical Tips / Real-Life Examples
- If you feel physically unsettled → your body may still be alert
- If you keep moving → you may be trying to find comfort
- If it happens after stressful days → stress may be a factor
- If it feels like “wired but tired” → stress hormones may be involved
- Adjusting your evenings, not just your nighttime behavior, is often worth trying
If you want a complete approach, getting a full night of uninterrupted sleep explains how to fix the underlying causes step by step.
Common Mistakes
- Trying to force yourself to sleep
- Using your phone when you wake up
- Ignoring physical discomfort
- Going to bed overstimulated
- Changing your sleep schedule frequently
FAQ
Why do I feel restless at night instead of fully waking up?
Restlessness can mean your nervous system is only partly settling. Stress and stress hormones such as cortisol may contribute to a wired, unsettled feeling, though this is hard to confirm in any one person.
Why do I keep moving and shifting positions when I wake up restless?
Physical discomfort can drive this without you consciously noticing it. Overheating, poor mattress or pillow support, and an awkward sleeping position are possible causes, and you may move around to find a more comfortable position.
Can blood sugar drops make me feel restless at night?
Possibly, but mainly if you have diabetes and take insulin or some other diabetes medicines. Mayo Clinic notes that low blood sugar is much less common in people without diabetes, so it is an unlikely cause for most people. If you often wake up shaky, sweaty or confused, talk to a doctor rather than trying to treat it yourself.
What’s the best way to respond when I wake up feeling restless?
Focus on calming your body rather than your thoughts. Use slow breathing with long exhales, keep your body still, and let the sensation pass without reacting. Avoid checking your phone or turning on bright lights, since stimulation may make it harder to settle back down.
When to See a Doctor
Occasional restless nights are common. See a healthcare provider if restlessness happens often, if you have an urge to move your legs with uncomfortable sensations (the Mayo Clinic advises seeing a provider if restless legs symptoms interfere with sleep or daily life), or if you wake with a pounding heart, sweating, shaking or confusion. If you take diabetes medicine, tell your diabetes care team about shaky or sweaty wake-ups. The NHS also advises seeing a GP if sleep problems have lasted for months or make it hard to cope in daily life.
Key Takeaways
Waking up at night feeling restless can involve stress, stress hormones, discomfort or overheating. Calming down before bed, improving your sleep setup and keeping a steady routine are sensible first steps. If it persists, or you have an urge to move your legs, raise it with a doctor.
About This Article
Written by the Sleep Fixes editorial team. We’re not medical professionals. We research each topic against primary sources and hold ourselves to being critical and thorough about what actually makes it onto the site.
This article is part of Sleep Fixes, a site focused on practical, easy-to-follow solutions for common sleep problems like night waking, dry mouth, overheating, and disrupted sleep.
The content is based on widely accepted sleep principles and common real-world patterns, with a focus on simple changes that may improve sleep quality.
It is not medical advice. If your symptoms are severe, persistent, or worsening, consider consulting a qualified healthcare professional.