This is as common as belly buttons. Anyone with a decent conscience and who loves at least one other person will naturally ruminate, worry, and fret over an undesired change in someone they know. Just clucking in sympathy is not often our style of being 'present' for them. We try to imagine what else can be done.
Some try Ambien, some try up to 5 mg of pill-form melatonin or gunnies, both at drug stores, some take Zopiclone or other soporifics, ALWAYS under doctor's orders and with a prescription. I would advise against using any of them two nights in a row. Try for two nights not using anything, and then try one the third night. This prevents habituation, or getting used to whatever you want to keep potent.