Quick answer
Ice Admiral drop at Marine HQ.
How to find or unlock Sleeping Mask
Start by checking the status above. For a released entry, follow the listed location, boss, merchant, quest, spawn, or crafting route: Ice Admiral drop at Marine HQ.
Before using a key or rare material, confirm the same name appears in the live game interface. Haze Seas is receiving frequent 2026 updates, so a status-first check is safer than following an old video that may describe a preview build.
What it does
Adds health.
Availability & data confidence
Official + community cross-check means the entry name and core route were checked against official game surfaces or an official-Trello transcription, then compared with current community observations. Patch-sensitive values remain descriptive unless the current official text publishes an exact number.
Frequently asked questions
Is Sleeping Mask available in Haze Seas?+
Sleeping Mask is currently labelled Obtainable. Its listed route can be followed in the current data snapshot.
How do you get Sleeping Mask?+
Ice Admiral drop at Marine HQ.
What is Sleeping Mask used for?+
Adds health.