<s>[INST] Hi,sir am a 22 year old male.am working in a bpo night shift.I used to go to bed at 4.30 am daily.during in sleep i feel some one pressing my chest and also my back with a weight of four persons at same time,when i encounter this problem i cant breathe or move or lift my hands and leg and i also cant speak at that time.Is this a medical disorder or my friends advise me this might be a done by evil spirit please help me.. [/INST] Hello dearWelcome to Healthcaremagic.comI have evaluated your query thoroughly .*  This is in relation with psychosomatic manifestation of underlying stress , anxiety disorder .*  Recommendations at present -  Maintain hydration with plenty of liquids .-  Adequate sound sleep of 8 hrs .-  Avoid smoking , alcohol in any form .-  Regular walking in fresh air , exercises , YOGA .Hope this will help you a  lot .Welcome for further guidance .Regards dear . </s>