Obstructive sleep apnea severity associates with reduced phase-lag index functional connectivity during N2 sleep Hyunjo Lee Eunmi Lee Oct 2026 · Sleep and Breathing · Vol 30 · 0 citations · 14 references DOI Semantic Scholar Save View source Cite { copied='apa'; setTimeout(() => { copied=null; open=false }, 1000) })" class="flex w-full items-center justify-between rounded-lg px-3 py-2 text-left text-sm hover:bg-gray-100 dark:hover:bg-ink-800"> Copy APA Copied ✓ { copied='mla'; setTimeout(() => { copied=null; open=false }, 1000) })" class="flex w-full items-center justify-between rounded-lg px-3 py-2 text-left text-sm hover:bg-gray-100 dark:hover:bg-ink-800"> Copy MLA Copied ✓ { copied='bibtex'; setTimeout(() => { copied=null; open=false }, 1000) })" class="flex w-full items-center justify-between rounded-lg px-3 py-2 text-left text-sm hover:bg-gray-100 dark:hover:bg-ink-800"> Copy BibTeX Copied ✓ Share