Is my baby’s crib uncomfortable?

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Recently I my baby has been teething hard core so she hasn’t been sleeping as well. She has been waking more frequently and all. Well, if she is in my bed, she is fine. I thought this was because she wanted to be closer to me, but now I think it might be her Pack n play. Last night I put her in her bed and she woke and was mad immediately. So I set her down on my bed, she rolled over and went to sleep with no fuss. I left the room and she didn’t wake or anything. Then I transferred her over later. She started waking frequently again. So my hub went in the guest room and I laid her in his spot, she went right to sleep. She doesn’t have to cuddle me or anything to fall asleep, just has to be in my bed. I have noticed her pack n play is unusually hard. Like hard boards with very little padding. Thought it was a safe sleep thing, but it’s just the brand because my sister’s graco pack n play is much more comfy. Is it the bed? What should I do?