I've never taken an actual sleeping medication - I have been taking Amitriptylene though (have no clue how wrong that's spelled).
I used to wake up constantly throughout the night - along with it taking 2-3 hours for me to fall asleep. Mostly due to pain, I would wake up at least 2-3 times an hour. My husband sleeps like a rock so it never bothered him - but for me it was horrible, sleeping never rested me.
The Amitrip helped sooo much with that. I fall asleep within 10 minutes of going to bed, and only wake up a few times during the night.
The real test is how much you feel rested when you wake up. I agree with the above that your wife might not be getting very good sleep either.
"When we come to the edge of the light we know, and are about to step off into the darkness of the unknown, of one thing we can be sure; either God will provide something solid to stand on... or we will be taught to fly.'"
"Cause when push comes to shove You taste what you're made of, You might bend, till you break Cause its all you can take; On your knees you look up Decide you've had enough, You get mad you get strong Wipe your hands shake it off, Then you Stand" From "Stand" by Rascal Flatts
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Dx.: Polycystic Ovarian Syndrome, Ulcerlative Colitis, Chronic Inflammation of the Colon, Ruptured & Fused L4-L5-S1 w/pinched nerves, Degenerative Disc Disease, Chronic Costochondritis, Back Muscle Spasms, Asthma, Benign Tremmors (hands)