N2 sleep EEG sigma band power

Female sex is associated with N2 sleep EEG sigma band power in humans (2.3 dB higher than males).

“Females demonstrated significantly higher sigma power than males (2.3 dB, p<0.001)”

Humanshealthy adults; females compared with malesn = 78

Age- and Sex-Related Differences in N2 Sleep EEG Spectral Power: Implications for Thalamocortical Biomarker Development in ADHD

Zenodo (CERN European Organization for Nuclear Research)·20 Jul 2026Preprint

Age is associated with N2 sleep EEG sigma band power in humans (R=-0.39; decline of 0.054 dB per year).

“Sigma band power showed a significant negative correlation with age (R=-0.39, p<0.001)”

Humanshealthy adultsn = 78

Age- and Sex-Related Differences in N2 Sleep EEG Spectral Power: Implications for Thalamocortical Biomarker Development in ADHD

Zenodo (CERN European Organization for Nuclear Research)·20 Jul 2026Preprint