"his sleepover" is a grammatically correct and usable phrase in written English.
It is typically used to refer to a gathering or party where a person stays overnight at someone else's house. Example: "My son is having his first sleepover at his friend's house tonight."
He tells me that he is looking forward to his sleepover pass, that he has worked hard and pushed himself in rehab to earn the privilege.
One assumes that Eli Broad was not too thrilled with the news stories describing his sleepover date at the White House after Al Gore put the arm on him for money.
In preparing for his sleepover, Max talks excitedly about his Sun Chips, a brand of potato chips by Frito-Lay, and goes so far as to count each chip out individually.
William is back in the bedroom, although his sleepovers with friends are usually elsewhere.
Justice Brenda Soloff of State Supreme Court in Manhattan has been tracking Mr. Sweeney's progress for more than 15 years, and on June 30, she ordered a conditional release that will end his sleepovers at the mental hospital.
The headlines grew more lurid after that, as the press tracked his multiple plastic surgeries, his sleepovers with prepubescent boys, his fights with concert promoters over missed dates, his battles to reschedule his vast debts and – most memorably – his 2005 child sexual molestation trial, resulting in an acquittal.
Similarly, Michael Jackson is an extremely talented performer, and his perspective on pop music is distinct and unrelated to his sleepovers with teenage boys.
In addition to his Lyle series, he wrote other popular titles, including "Ira Sleeps Over," about a boy who is invited to his first sleepover and worries whether he should bring his teddy bear.
Joshua, who had his first sleepover at last year's campout and had been looking forward to this year's, informed his mother of the change in plans before she had a chance to read a note sent to parents.
They portray a husband and wife who are home alone for the first time in a long time, having just dispatched their son to his first sleepover.
One little girl went to the circus and especially liked the ponies; one boy met two furry chinchillas with tails like squirrels; another boy proudly announces that he enjoyed his first sleepover at a friend's house.
