visitation

my child’s father wants are son tomorrow 5pm to 3pm the next day are son is 4m old & he’s with me 90% of the time, my child’s father works all day, i don’t feel comfortable just jumping straight too overnight especially with him being breastfed & only use too sleeping beside me. would it be fair to allow him to get him a couple of hours? let me also my child’s father barely can watch him while i nap & have quoted that he doesn’t have patience too feed him (as in him finish his 4oz bottle)