Pokémon Sleep has generated significant revenue, with reports suggesting it has earned at least $120 million, and possibly as much as $182.8 million or more, over a period of time. The exact timeframe and total earnings are unclear, with some reports indicating the game surpassed $140 million around its 1.5 year anniversary and others suggesting it reached higher totals over two or three years. The game's revenue has experienced fluctuations, including a slowdown and a spike around a Halloween event.