Sleep on Call
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Language exchange
Speak a new language with people who speak it
Sleep on Call matches you with native speakers of the language you are learning. Talk to them one to one, or join a live room grouped by language. No video, no coursework — just conversation.
Android, in testing on Google Play. For adults 18 and over.One-to-one voice calls
Start a call straight from the deck. Every profile shows what someone speaks and what they are learning, so you know what you are walking into.
Live rooms by language
Join a room tagged with the language you want to practise, listen in first, then take a seat and speak when you are ready.
Chat when you both want to
After a good call the conversation can carry on in text. It takes two to open a chat, so nobody gets messaged out of the blue.
Safe by design
- No video. Voice only — your face is never on screen.
- Nothing is recorded. Calls connect directly between the two phones and are gone when they end. We cannot listen back.
- Chat takes both of you. Nobody can message you out of the blue; a conversation opens only once you have each agreed.
- Adults only, 18 and over — and you can report or block anyone at any time.
Your data stays yours
You can delete your account yourself, whenever you like. The app carries no advertising and no analytics tracking.
How we handle your data