Messenger of Allah ﷺ and Ubai bin Kaʿb Al-Ansari went to the garden where Ibn Saiyad used to live. When Messenger of Allah ﷺ entered (the garden), he (i.e. Messenger of Allah ﷺ ) started hiding himself behind the date108 palms as he wanted to hear secretly the talk of Ibn Saiyad before the latter saw him. Ibn Saiyad wrapped with a soft decorated sheet was lying on his bed murmuring. Ibn Saiyad's mother saw the Prophet hiding behind the stems of the date-palms. She addressed Ibn Saiyad saying, "O Saf, this is Muhammad." Hearing that Ibn Saiyad stopped murmuring (or got cautious), the Prophet ﷺ said, "If she had left him undisturbed, he would have revealed his reality." (See Hadith No. 290, Vol 4 for details)  

سَمِعْتُ عَبْدَ اللَّهِ بْنَ عُمَرَ ؓ يَقُولُ انْطَلَقَ رَسُولُ اللَّهِ ﷺ وَأُبَىُّ بْنُ كَعْبٍ الأَنْصَارِيُّ يَؤُمَّانِ النَّخْلَ الَّتِي فِيهَا ابْنُ صَيَّادٍ حَتَّى إِذَا دَخَلَ رَسُولُ اللَّهِ ﷺ طَفِقَ رَسُولُ اللَّهِ ﷺ يَتَّقِي بِجُذُوعِ النَّخْلِ وَهْوَ يَخْتِلُ أَنْ يَسْمَعَ مِنِ ابْنِ صَيَّادٍ شَيْئًا قَبْلَ أَنْ يَرَاهُ وَابْنُ صَيَّادٍ مُضْطَجِعٌ عَلَى فِرَاشِهِ فِي قَطِيفَةٍ لَهُ فِيهَا رَمْرَمَةٌ أَوْ زَمْزَمَةٌ فَرَأَتْ أُمُّ ابْنِ صَيَّادٍ النَّبِيَّ ﷺ وَهْوَ يَتَّقِي بِجُذُوعِ النَّخْلِ فَقَالَتْ لاِبْنِ صَيَّادِ أَىْ صَافِ هَذَا مُحَمَّدٌ فَتَنَاهَى ابْنُ صَيَّادٍ قَالَ رَسُولُ اللَّهِ ﷺ لَوْ تَرَكَتْهُ بَيَّنَ  

[Machine] Ibn Umar and Ubay ibn Ka'b went to the palm tree where Ibn Sayyad was. When they entered the palm tree, the Messenger of Allah ﷺ leaned against the trunk of the palm tree, fearing that Ibn Sayyad would hear something from him before seeing him. Ibn Sayyad was lying on his bed in Qatif, where there was a buzzing sound. His mother saw the Messenger of Allah ﷺ leaning against the trunk of the palm tree and said, "What is this noble man's name?" He said, "This is Muhammad." She became furious and said, "What a shame!" The Messenger of Allah ﷺ said, "If you left him alone between  

ابْنُ عُمَرَ انْطَلَقَ رَسُولُ اللهِ ﷺ وَأُبَىُّ بْنُ كَعْبٍ يَأْتِيَانِ النَّخْلَ الَّتِي فِيهَا ابْنُ صَيَّادٍ حَتَّى إِذَا دَخَلَا النَّخْلَ طَفِقَ رَسُولُ اللهِ ﷺ يَتَّقِي بِجُذُوعِ النَّخْلِ وَهُوَ يَخْتِلُ ابْنَ صَيَّادٍ أَنْ يَسْمَعَ مِنَ ابْنِ صَيَّادٍ شَيْئًا قَبْلَ أَنْ يَرَاهُ وَابْنُ صَيَّادٍ مُضْطَجِعٌ عَلَى فِرَاشِهِ فِي قَطِيفَةٍ لَهُ فِيهَا زَمْزَمَةٌ قَالَ فَرَأَتْ أُمُّهُ رَسُولَ اللهِ ﷺ وَهُوَ يَتَّقِي بِجُذُوعِ النَّخْلِ فَقَالَتْ أَيْ صَافِ وَهُوَ اسْمُهُ هَذَا مُحَمَّدٌ فَثَارَ فَقَالَ رَسُولُ اللهِ ﷺ لَوْ تَرَكَتْهُ بَيَّنَ