Ambien - Does it cause weight gain?

This is what i pulled up on Ambien, it doesn't say anything about weight gain.

Applies to zolpidem: oral spray, oral tablet, oral tablet extended release, sublingual tablet

Zolpidem may cause a severe allergic reaction. Stop taking zolpidem (the active ingredient contained in Ambien) and Get emergency medical help if you have any of these signs of an allergic reaction while taking zolpidem: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Report any new or worsening symptoms to your doctor, such as: depression, anxiety, aggression, agitation, confusion, unusual thoughts, hallucinations, memory problems, changes in personality, risk-taking behavior, decreased inhibitions, no fear of danger, or thoughts of suicide or hurting yourself.

Stop using zolpidem and call your doctor at once if you have a serious side effects:

chest pain, fast or irregular heartbeat, feeling short of breath;
trouble breathing or swallowing; or
feeling like you might pass out.
Less serious side effects of zolpidem may include:

daytime drowsiness, dizziness, weakness, feeling "drugged" or light-headed;
tired feeling, loss of coordination;
dry mouth, nose or throat irritation;
nausea, constipation, diarrhea, upset stomach;
stuffy nose, sore throat; or
headache, muscle pain.