Before going to sleep, it's a simple choice.

Spleen is a self-care brand focusing on "the 10 minutes before you sleep."

Pre-sale on Makuake

Spleen's first product, the "3D Silk Eye Mask," will be available for pre-sale on Makuake starting Wednesday, March 25, 2026.

VIEW ON MAKUAKE

RITUAL

The brain can't leap from "on" to sleep. It needs a bridge.

Spleen is a self-care brand built around the 10 minutes before you close your eyes — a small window of time that changes everything.

Ease the nervous system down
Sleep needs space. Ten minutes of conscious stillness is the first step in your body's physiological wind-down — the gentle downshift from alert to at rest.

The ritual of darkness
Pick up your eye mask. Block the light. This single, simple act signals the brain: it's time. The body begins preparing for sleep on its own.

Out of thought, into sensation
Feel the weight of silk against your skin. Follow a line of poetry in your mind. That's all it takes for the brain to set down what it's been carrying.