Been awake 25 hours can't sleep anxiety has been straight 14 hours I nod out for a sec and have a panic attack that wakes me up what do I do... was on ativan for a month stopped havnt taken anything for 24 hours could this be the cause again what can I do I just want the anxiety to stop and to sleep

My stomach is also growling like crazy havnt been able to eat the sight of food sickens me right now heart palpitations are getting worse major indigestion that goes all the way to the throat... Please someone help