hi you may be suffering from raynaurd s
phenomenon especially it is bound to increase during nights and exposure to cold.this occurs in several connective tissue
disorders.you have to get complete blood anallysis, ra factor , sle profile done.you may tke initially corticosteroids
and anti allergic ,calamine lotion for symtomatic relief,based on the result of test reports rheumatologist
consultation you must be treated .wishing you a speedy recovery.