Sleep Tracking and wrist setting

Hi,

May I ask if setting the correct wrist (left right) in Profile critical for correct sleep tracking ?

Explanation: during the day, I wear the watch on the wrist I correctly set in the profile. But to give some "relax" from the watch band, I change and put the watch to my other wrist for the night, assuming, that it wont have any effect on the sleep tracking. 

Is that correct assumption ?

Many thanks in advance!