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You don't seem to be getting enough sleep and very nervous and stressed. You need to relax. Get more sleep. Do Yoga
, Pranayam for stress relief. Eat plenty of fresh fruits and vegetables and do brisk walking for 40 minutes a day. Since when are you having this problem of crossing and shaking of eyes. Is it only eyelids or eye ball moving like that. It could be Nystagmus
which can occur in some health problems. You need to get examined by Neurologist
to rule out any problem in brain or any infection which can cause this.