MS symptoms often feel worse at night due to several factors. Around 60% of people with MS experience sleep disorders, which can include:
• Insomnia
• Frequent nighttime urination (nocturia)
• Sleep apnea
• Restless legs syndrome
• Muscle spasms
• Night sweats
These disruptions are often caused by MS lesions in the brain Show Full Answer
MS symptoms often feel worse at night due to several factors. Around 60% of people with MS experience sleep disorders, which can include:
• Insomnia
• Frequent nighttime urination (nocturia)
• Sleep apnea
• Restless legs syndrome
• Muscle spasms
• Night sweats
These disruptions are often caused by MS lesions in the brain and spinal cord that affect normal sleep patterns. Muscle spasms specifically tend to worsen at night because:
• Reduced movement during sleep increases spasticity
• Body positioning while lying down can trigger spasms
• Temperature changes can affect symptom severity
The combination of these factors can create a difficult cycle where symptoms disrupt sleep, and poor sleep then makes symptoms feel more intense.
October 8, 2025
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