Dumbledore says this to Harry as he recovers after his battle with Quirrel/Voldemort to protect the Sorcerer's Stone. Harry expresses concern that, with the destruction of the Stone, Nicolas Flamel will die. Dumbledore reassures him that, for Nicolas and Perenelle, it will feel like going to sleep after a very long day.
Dumbledore says this to Harry as he recovers after his battle with Quirrel/Voldemort to protect the Sorcerer's Stone. Harry expresses concern that, with the destruction of the Stone, Nicolas Flamel will die. Dumbledore reassures him that, for Nicolas and Perenelle, it will feel like going to sleep after a very long day.
--AK