Watch parameters during ilness

Dear colleagues.
Please explain.
I have been ill for a few days. The watch does not monitor my sleep. Body Battery is at 5% all the time While sleeping active calories 480 Stress all the time at a high level.
I think I have slept a couple of hours. I have reset the settings and the watch still does not monirtor sleep. Body Batteries at 5% active calories at night 320 and stress at a high level. Also, at night the watch is counting my floors. Once four and once two. Is this correct behaviour of the watch during illness or does it require a complaint?

Please reply.