Al-Miqdam ibn al-Aswad reported: The Prophet, peace and blessings be upon him, would come during the night and he would greet with peace, such that those who were sleeping would not be awakened but those who were awake would hear it.
Source: Ṣaḥīḥ Muslim 2055
Grade: Sahih (authentic) according to Muslim
عَنِ الْمِقْدَادِ بْنِ الأَسْوَدِ قَالَ كَانَ النَّبِيُّ صلى الله عليه وسلم يَجِيءُ مِنَ اللَّيْلِ فَيُسَلِّمُ تَسْلِيمًا لاَ يُوقِظُ نَائِمًا وَيُسْمِعُ الْيَقْظَانَ
2055 صحيح مسلم كتاب الأشربة باب إكرام الضيف وفضل إيثاره