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You have problem of fear of sleep, feeling of sneezing
and anticipation of head spinning. Although with available symptoms it is difficult to delineate the exact diagnosis but it may occur due to anxiety
or obsessive ruminations. You have problems of palpitations and nail biting also, these symptoms also favor the anxiety disorder. Nail biting is a behavior done in cases of anxiety. If the symptoms are causing dysfunction in day to day living then I would advise you to consult a good Psychiatrist
for expert opinion. Medicines like anti anxiety medicines as SSRI
or non medicinal treatment as Relaxation Exercises, Breathing Exercises are options available.
Dr. Seikhoo Bishnoi, MD