Hi mum, I'd say it's worth bringing him to see the PD soon just to check everything is okay, especially since he was born early at 32 weeks. Premature babies can take a bit longer to settle and communicate, but the grumpiness combined with the noise during feeding and all that sleeping could mean he's uncomfortable with something like reflux or tongue tie, which are pretty common and fixable once you know. In the meantime, try keeping him close, gentle shushing, and checking if his nappy and temperature are all good, but honestly a proper check-up will give you real peace of mind and answers rather than guessing.
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