The general recommendation is to wash bed sheets about once per week. Washing them weekly helps remove dirt, sweat, dead skin cells, oils, and dust mites, which accumulate from daily use and can cause allergies or skin irritation. For people with allergies, asthma, sensitive skin, or pets that sleep on the bed, washing more frequently (every 3-4 days) is beneficial. In warmer months or if you sweat during sleep, more frequent washing is also advised. If weekly washing is not possible, changing sheets at least every two weeks is acceptable, but washing regularly remains important for hygiene and comfort.
Summary of Recommendations:
- Weekly washing is standard for most people.
- Every 3-4 days if having allergies, asthma, sensitive skin, or pets in bed.
- More frequently in summer or if sweating during sleep.
- At least every two weeks if washing weekly is not feasible.
Additional Tips:
- Check care labels for washing instructions.
- Use warm or hot water as recommended for your sheets.
- Use gentle detergents without bleach to preserve fabric.
- Wash sheets separately or with similar fabric items.
- Ensure sheets are completely dry to prevent mold.
References support that washing sheets weekly is the optimal hygiene practice, but adjustments can be made based on personal circumstances.