So my 1 year old just recently started waking up every night making this whining crying sound. He appears to still be…

So my 1 year old just recently started waking up every night making this whining crying sound. He appears to still be asleep. He will whine/cry several times a night and its lasts only a few seconds long. He is not because he is wet, hungry, or even separation anxiety cause he will even do this while sleeping next to me. So if anyone has experienced this or can offer a reason my family will love you forever. Plus my Fishy looks soo tired in the morning from this. Please help!😓