4 times sleepseeker.co.uk was tested for operability over the course of 445 days starting on June 11, 2024. Sleepseeker.co.uk was functional 4 times out of all checks conducted, with the latest recorded uptime on June 29, 2024, returning a code 200. All testing of sleepseeker.co.uk as of August 31, 2025, found no instances of inoperability. As of August 31, 2025, errors in the responses that were received have not been reported. Sleepseeker.co.uk's response time averaged 0.268 seconds, with a recorded response time of 0.279 seconds on June 29, 2024.