Your Sleep Number setting controls how firm or soft your mattress feels. As your body, sleep position, room conditions, or sleep routine change, your most comfortable setting may change too.
Quick Answer
Change your Sleep Number setting when your bed no longer feels comfortable, your body weight changes, you switch sleep positions, you are sore or recovering, a child or pet shares your bed, or temperature and weather changes make the mattress feel different. Try changing your setting by 5 to 10 points, then sleep on it for a few nights before making another change.
How to Change Your Sleep Number Setting
Use your Sleep Number app or remote to adjust firmness. If you use the app, open your bed controls, choose your side of the bed, then raise or lower your Sleep Number setting until the bed feels comfortable. If you use a remote, choose your side and use the up or down controls to adjust the number. Find more details in our the How to Find a New Sleep Number® Setting article.
Tip: Adjust while lying in your normal sleep position. This helps you feel whether the setting supports your shoulders, hips, back, and legs.
Which Way Should I Adjust?
| If this is happening | Try this |
| Your bed feels too firm or you feel pressure on your shoulders, hips, ribs, or back | Lower your setting by 5 to 10 points. |
| Your bed feels too soft, you feel unsupported, or you feel like you are sinking in | Raise your setting by 5 to 10 points. |
| You changed from back sleeping to side sleeping | Try raising or lowering by 5 to 10 points and choose what feels best. Side sleepers often need more pressure relief at the shoulder and hip. |
| You changed from side sleeping to back sleeping | Try raising or lowering by 5 to 10 points and choose what keeps your back supported. |
| You are sore after a workout, injury, illness, or surgery | Try a slightly softer setting for more pressure relief. |
| A child, pet, or weighted blanket adds weight to the bed | Try lowering your setting by 5 to 10 points if the bed feels too firm or uncomfortable. |
| Your weight changed | Try small changes until the bed feels supportive and comfortable again. |
| The room temperature or weather changed | Adjust for comfort if the number no longer matches how the bed feels. |
Changes to Your Weight
Weight gain, weight loss, pregnancy, or other body changes can change how much support feels right. If your bed feels too firm, lower your setting by 5 to 10 points. If it feels too soft or unsupported, raise your setting by 5 to 10 points.
Working Out or Feeling Sore
If you are sore after a workout, yard work, physical therapy, or a long day on your feet, try lowering your Sleep Number setting by 5 to 10 points for a softer feel. If you feel unsupported, raise it back up slightly.
Injury, Illness, or Surgery
If you are recovering from an injury, illness, or surgery, your body may need a different level of support. Try small changes and focus on reducing pressure points. Talk to your doctor if pain, numbness, or sleep trouble continues.
Children, Pets, or Extra Weight on the Bed
Children, larger pets, or a weighted blanket can change how your mattress feels because they add weight to the bed. Smaller pets may not make a big difference. If the bed feels less comfortable when someone or something shares your side, try lowering your setting by 5 to 10 points.
New Sleeping Position
Changing sleep positions can change where your body needs support. There is no perfect number for every sleeper, so use comfort as your guide.
- Side sleeping: If your shoulder, hip, or ribs feel pressure, try lowering your setting by 5 to 10 points. If you feel like you are sinking in, try raising it slightly.
- Back sleeping: If your lower back feels unsupported, try raising your setting by 5 to 10 points. If the bed feels too firm, lower it slightly.
- Stomach sleeping: If your hips sink too much, try raising your setting for more support.
- Combination sleeping: If you change positions during the night, choose the setting that feels best in the position you use most often.
Temperature and Weather Changes
Room temperature, humidity, and barometric pressure can change how your mattress feels. If your usual number suddenly feels too soft or too firm, adjust for comfort instead of focusing only on the number shown in the app or remote.
When to Contact Support
- Your bed will not adjust up or down.
- One side will not change firmness or loses air.
- Your app does not show your bed or will not control the bed.
- Your remote does not work or the number does not change.
- Your mattress feels very soft, very firm, or uncomfortable even after small changes.
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Frequently Asked Questions
How do I know if my Sleep Number setting is wrong?
You may need a new setting if you wake up sore, feel pressure on your shoulders or hips, feel unsupported, sink too far into the mattress, or sleep restlessly.
Should I raise or lower my Sleep Number setting?
Lower the number if the bed feels too firm or creates pressure points. Raise the number if the bed feels too soft or does not support you enough.
How much should I change my setting?
Start with a small change of 5 to 10 points. Try it for a few nights before making another change.
Do I need to change my setting every time I change positions?
No. If you move between positions during the night, choose the setting that feels best for the position you sleep in most often.
Can pets or children affect my Sleep Number setting?
Yes. Added weight from a child, larger pet, or weighted blanket can change how your mattress feels. Adjust by 5 to 10 points if needed.
Why does my bed feel different even though the number did not change?
Temperature, humidity, weather changes, sleep position, body changes, soreness, or added weight on the bed can change how the mattress feels.