Nuku

Guides

Living alone safety checklist

Living alone is safe for most people with a few things in place: working smoke and carbon monoxide alarms, someone who can get in (a spare key or key safe), your medical details where a paramedic can find them, a person or tool that notices if you go quiet, and a plan you've told someone about. This checklist takes about an hour to work through, and most items cost nothing.

At home

People

Your phone

If you go quiet

Numbers to know

Emergency911 (US, Canada), 999 or 112 (UK), 112 (EU)
Crisis support988 call or text (US, Canada); Samaritans 116 123 (UK, Ireland); findahelpline.com (elsewhere)
Non-urgent medicalNHS 111 (England, Scotland, Wales); your doctor's after-hours line elsewhere
Poison help1-800-222-1222 (US)

Looking after yourself

Nuku covers the "if you go quiet" line: visit it once a day and, if you don't for two days, the people you picked get one notification. Nuku is a tiny AI pet you visit for about thirty seconds a day in your browser. If you stop visiting for two days (you choose 24 to 72 hours), it sends one notification to up to five people you picked. It's free, 18+, and not an emergency service.

Meet Nuku · How Nuku handles safety

Questions

How can I stay safe living alone?

Test your smoke alarms, add a carbon monoxide alarm, leave a spare key with someone nearby, put your medical details and emergency contacts on your phone's lock screen, and set up a daily check-in with a person or an app that tells someone if you go quiet.

What should I do if I fall and live alone?

Plan ahead: keep a phone within reach (some people carry it in a pocket at home), turn on fall detection if your phone or watch has it, or wear a medical alert pendant. A daily check-in alone reacts too slowly for a fall.

How often should I test smoke alarms?

Once a month, by pressing the test button. Replace the alarm itself every 10 years, or as the label says.

Who should have a spare key?

Someone you trust who lives close enough to get there quickly, such as a neighbour or a nearby friend. A key safe with a code is an alternative if nobody lives close.

How many people live alone?

In the US, 38.5 million households, 29% of all, were one person in 2024, according to the Census Bureau. In the UK about 8.4 million people live alone.

Sources

  1. NFPA: Smoke alarms
  2. US Fire Administration: Smoke alarms
  3. Apple Support: Use Check In for Messages on iPhone
  4. Android Help: Get help during an emergency with your Android phone
  5. US Census Bureau: Families and living arrangements, 2024
  6. ONS: Families and households in the UK, 2024

Written by the Nuku team at Jestr with AI help, checked against the sources above, last updated 2 October 2026. This is general information, not medical advice. Spotted a mistake? support@jestr.ai