Nonomiya Tsukiko wa Itsumo Nemui

Tsukiko Nonomiya (25) works at a toy design company and is an extremely late sleeper. She loves to sleep. Meanwhile, her boyfriend Yoichi Momijidani (27) works at a publishing company and has a hard time sleeping. The two of them enjoy late-night snacks made by Yoichi and the time they spend together before going to bed.

(Source: Kiss, translated)