Venting please read

Oh man I am so overwhelmed my 18 month is so attached to me it’s so exhausting! My only break is when I sleep at night. He sleeps in his crib right near to our bed . He goes to bed around 10 and wakes up at 7 crying wanting to be on my bed he literally naps for one hour a day. He is always crying grumpy. I’m assuming he is tired not sleeping enough. He only wants me not his dad. He like his older sister, when she’s around wow I actually get a nice break ( to clean lol) but it’s nice not holding him while, or having him cry on my legs. He will wake me up at 7 but I try and lay there give him a sippy and sometimes he will fall back to sleep. Well today I did that and I heard him snoring so I thought he was sleeping I literally turned on my bed and he heard me and stood up so I act like I’m sleeping while I almost pee my pants so I give up and just get up and all hell breaks loose he cries bloody murder bc i walk out the room. His dad was there but that doesn’t matter in my sons eyes. He only wants me. I am so tired of him I love him but he is so overwhelming. He’s grumpy crying from the moment he wakes up up into nap time then again all afternoon up until bedtime. Could this be a phase he wasn’t always this way..... I’m emotionally tired. I’m a sahm so I do it all. I get he’s just used to me. And hubby helps but baby just doesn’t want him at all . When he’s gets up so early he makes it hard to get my daughter ready for school I have to hold him while making her lunch or getting her breakfast ready and when it’s time to do her hair it’s like I’m torturing him leaving him outside the bathroom. He will cry and cry. Any advice???