Is it permissible to fast without eating suḥūr (pre-dawn meal)?
It is permissible to fast without suḥūr (Fatāwa `Ālamgīri), but it is recommended (mustaḥabb) to eat suḥūr and then fast. It is narrated in “al-Mu`jam ul-Awsaṭ” by Ṭabarāni and “Ṣaḥīḥ ibn Ḥibbān” from our Master `Abdullah ibn `Umar that the Messenger of Allah ﷺ said that Allah and His angels send benedictions (durūd) upon people eating suḥūr. Imām Aḥmad narrates from our Master Abu Sa`eed al-Khudri that the Messenger of Allah ﷺ said, “Suḥūr is filled with Baraka, so don’t leave it, even if it is only a sip of water, for Allah and His angels send benedictions upon people eating suḥūr” (أو كما قال صلى الله علِه وسلم).
وهو تعالى أعلم بالصواب
Answered by Mufti Jalāluddīn Aḥmad Amjadi
(Fatāwa Faiz ur Rasūl, Kitāb uṣ Ṣawm, Vol. 1, pg. 513, Dār ul Ishā`at Faiz ur Rasūl, Badayun, Translated by Omair Shariff)
Answer from alhaneef.com