69 yrs 5 months
The longest recorded case of continuous hiccups lasted for 68 years, in the case of Charles Osborne from 1922 to 1990.
The longest continuous stay in space is 438 days, by Valeri Polyakov.
Charles Osborne holds the record for the longest bout of hiccups, lasting 68 years from 1922 to 1990. His hiccups started after he fell and injured his head.
I do not know if the link below is authoritative; 7 hours of continuous play time sounds to me like it has to be in the running for 'longest'!
20 years
The Guinness World Record for the longest continuous tickling session is held by Richard Wiseman, who was tickled for 3 hours and 7 minutes.
Charles Osborne, who had the hiccups for 69 years and 5 months.
A man holds the record for the longest continuous time spent in space. Russian cosmonaut Valeri Polyakov spent 437 days aboard the Mir space station in 1994-1995.
under water
Everyone experiences hiccups from time to time, especially after eating too much food or drinking too much alcohol. But some people get hiccups frequently for no apparent reason, and the attacks can last a long time and be distressing.
An analog signal is characterized by continuous amplitudes and continuous time.
The longest known time that anyone has survived adrift at sea is 438 days, by Jose Salvador Alvarenga. He survived by catching fish, birds, and turtles, as well as collecting rainwater to drink.
maybe it was right after lunch and kids are prone to getting hiccups after lunch