a little pick-me-up

Translations
небольшое средство для поднятия настроения
Someone could use a little pick-me-up after a long day.
Кому-то не помешало бы небольшое средство для поднятия настроения после долгого дня.
Definitions
A small boost or source of encouragement that improves one's mood or energy, often in the form of a treat, drink, or positive experience.