You haven’t mentioned your child’s exact age, that would help guide better.
Sleep jerks are usually benign and more related to sleep pattern or discomfort like itching from eczema rather than neurological cause.
Heart rate 100–120 during sleep can be normal if the child is otherwise well.
Yes, poor sleep and itching can worsen each other.
For now focus on good skin care and proper sleep routine. No need for tests/scans unless there are abnormal movements when awake, developmental concerns or daytime symptoms.
Answered2026-04-28 13:25:20
Let others know if this answer was helpful