Mishkat al-Masabih
Mishkat al-Masabih 2272
وَعَنْ أَبِي هُرَيْرَةَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَنْ قَعَدَ مَقْعَدًا لَمْ يَذْكُرِ اللَّهَ فِيهِ كَانَتْ عَلَيْهِ مِنَ اللَّهِ تِرَةٌ وَمَنِ اضْطَجَعَ مَضْجَعًا لَا يذكر الله فِيهِ كَانَ عَلَيْهِ مِنَ اللَّهِ تِرَةٌ» . رَوَاهُ أَبُو دَاوُدَ
Unreviewed translation. All hadiths in this collection are available in five languages. Titles and introductions may remain in Arabic.
Abu Hurayrah reported that the Messenger of God (peace be upon him) said: ‘Whoever sits in a place without remembering God there will incur regret from God; and whoever lies down in a place without remembering God there will incur regret from God.’ Abu Dawud transmitted it. The Arabic source grades it sahih (al-Albani).
Notes and open questions — unreviewed
The word تِرَةٌ conveys loss or regret.