Does anyone have sleep apnea?

I just found out I have moderate sleep apnea meaning I stop breathing in my sleep 21 times in ONE HOUR for 10 or more seconds. They now want me to be on a machine for 30 days what should I be expecting? I’m

Nervous and I’m very scared.

Also looking for weight loss tips. I’m 260 lbs I’ve been ttc for almost 3 years. Long story short my doctor said I should lose weight. I’m scared of death. I don’t want to die because I’m fat. I want to live a long healthy life! I want to try to idealprotien but I just don’t have the money to put out right now