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    Licensed instrument

    The ESS requires a paid licence, so we don't host it.

    The ESS is under an actively enforced licence, so we cannot host it. For a free sleep measure you can score here, use the Insomnia Severity Index.

    Use these instead

    ISIInsomnia Severity Index

    Scale without compromise

    See how Aisel removes friction where it costs most. A 20-minute walkthrough tailored to your clinic.