I had to sleep on my LOs.floor 2.55-4.15, he wont go in his cot lately without holding my hand. And…

I had to sleep on my LOs.floor 2.55-4.15, he wont go in his cot lately without holding my hand. And even when I was in there every 5 mins his head would pop up asking for me. Hes always been a Brill sleeper and loved his cot, and has never had any comforts any ideas if this is a phase?? I dont know how I'm supposed to work full time and do this every night