I have observed at somebody after spending some time in the same room with him that from time to time he gets up from the chair, he starts breathing faster, and starts moving through the room (or in the same place) in periodic motions (for instance he starts rocking his whole body with a
When asleep he often (almost every time) makes noises - the same every time - it sounds like approving of something (uhm - uhuumm ... ).
During the day such episodes last a few minutes, up to ten. In the morning they can last for half an hour, or even an hour.
Is there a mental condition that fits these symptoms ?
I have seen people rocking their torso before an exam or during a stressful situation before, but never on a daily basis. His movement disturbs me a bit, and really bothers me when I am working.