Hello Nausea with desire of vomiting that too immediately after wake up , may be due to these reasons, includes . 1 Hyper acidity or gastritis , as this is most common cause of such symptoms . Greasy , oily , spicy food, eating of chocolates drinking of alcohol , drinks with caffeine in them consumed previous day of just before sleep may be the reason of such symptoms . When such patients visit to me I usually advise them , not to take these food items as mentioned . Try raising the head of your bed about 4 inches with blocks . Don t drink or eat for 2 hours before you lie down. Also to take some antacid at the time of symptoms but if symptoms are severe they may need drugs like proton pump inhibitors like pantoloc-D once or twice in day or according to necessity. 2 The next reason of such symptoms may be tension or anxiety , so avoid these things. 3 Third reason of such symptoms may be over eating on previous nigh before sleep . If such condition avoid it. Hope this information will help you. Good luck.