Hadith on Dhikr: Easy way to Paradise, but Satan distracts them

Abdullah ibn Amr reported: The Messenger of Allah, peace and blessings be upon him, said, “There are two practices no Muslim man preserves but that he will enter Paradise. Surely, they are both easy yet few act upon them. Glorify Allah at the end of every prayer ten times, praise Him ten times, and exalt Him ten times. These are one hundred and fifty upon the tongue, but one thousand and five hundred upon the Scale. When you retire to your bed, glorify Him, exalt Him, and praise Him one hundred times. These are one hundred upon the tongue, but one thousand upon the Scale. Which one of you would commit two thousand and five hundred sins in a day and night?” They said, “How could we not preserve them?” The Prophet said, “Satan comes to one of you while he is praying and he whispers for him to remember this and that until he turns away and, perhaps, he does not do it. While in his bed, Satan continues to lure him to sleep until he falls asleep.

Source: Sunan al-Tirmidhī 3410

Grade: Sahih (authentic) according to Al-Tirmidhi

عَنْ ‌عَبْدِ اللهِ بْنِ عَمْرٍو قَالَ قَالَ رَسُولُ اللهِ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ خَلَّتَانِ لَا يُحْصِيهِمَا رَجُلٌ مُسْلِمٌ إِلَّا دَخَلَ الْجَنَّةَ أَلَا وَهُمَا يَسِيرٌ وَمَنْ يَعْمَلُ بِهِمَا قَلِيلٌ يُسَبِّحُ اللهَ فِي دُبُرِ كُلِّ صَلَاةٍ عَشْرًا وَيَحْمَدُهُ عَشْرًا وَيُكَبِّرُهُ عَشْرًا فَتِلْكَ خَمْسُونَ وَمِائَةٌ بِاللِّسَانِ وَأَلْفٌ وَخَمْسُ مِائَةٍ فِي الْمِيزَانِ وَإِذَا أَخَذْتَ مَضْجَعَكَ تُسَبِّحُهُ وَتُكَبِّرُهُ وَتَحْمَدُهُ مِائَةً فَتِلْكَ مِائَةٌ بِاللِّسَانِ وَأَلْفٌ فِي الْمِيزَانِ فَأَيُّكُمْ يَعْمَلُ فِي الْيَوْمِ وَاللَّيْلَةِ أَلْفَيْ وَخَمْسَ مِائَةِ سَيِّئَةٍ قَالُوا فَكَيْفَ لَا نُحْصِيهَا قَالَ يَأْتِي أَحَدَكُمُ الشَّيْطَانُ وَهُوَ فِي صَلَاتِهِ فَيَقُولُ اذْكُرْ كَذَا اذْكُرْ كَذَا حَتَّى يَنْفَتِلَ فَلَعَلَّهُ أَنْ لَا يَفْعَلَ وَيَأْتِيهِ وَهُوَ فِي مَضْجَعِهِ فَلَا يَزَالُ يُنَوِّمُهُ حَتَّى يَنَامَ

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