Sleeping while standing / sleepwalking when awake

well, one time i walked down stairs i walked to the kitchen and the next thing i knew i was sitting on the couch drinking something, and then my parents asking, why are you drinking that? i didnt have any idea i was drinking. and anather time i didnt sleep an entire night, (verry tired) i cycled like 40 miles in 1 day, and stay awake for like 35 hours and i was a little drunk, then i went home to sleep(in the afternoon) and then i woke up and walked downstairs, i asked my mom: what are we going to eat tonight?''? and she said like: ''you already asked me if you gonna eat ....(forgot the food) and she siad he came in my room and asked me quenstions, i know nothing about, i still dont, i talked in my sleep?