Scoring sleep with artificial intelligence enables quantification of sleep stage ambiguity: hypnodensity based on multiple expert scorers and auto-scoring.

"Disclosure Statement Financial disclosure: Co-authors Bakker, Ross, Cerny, Vasko, Shaw, and Anderer are/were employees of Philips during the time that the analyses reported in this manuscript were undertaken. Dr. Bakker has a financial interest in Signifier Medical Technologies; however, this began after completion of the work reported here and has no overlap with the current report. Dr. Kuna receives grant support from Philips; no overlap with the current report. Dr. Magalang receives grant support from Philips and Hill-Rom; no overlap with the current report. Dr. Punjabi receives grant support from Philips. Dr. Anderer is a shareholder of The Siesta Group, Austria. Nonfinancial disclosure: none."

"Disclosure Statement: Financial disclosure: Co-authors Bakker, Ross, Cerny, Vasko, Shaw, and Anderer are/were employees of Philips during the time that the analyses reported in this manuscript were undertaken. Dr. Bakker has a financial interest in Signifier Medical Technologies; however, this began after completion of the work reported here and has no overlap with the current report. Dr. Kuna receives grant support from Philips; no overlap with the current report. Dr. Magalang receives grant support from Philips and Hill-Rom; no overlap with the current report. Dr. Punjabi receives grant support from Philips. Dr. Anderer is a shareholder of The Siesta Group, Austria.: Nonfinancial disclosure: none."