Hadith no 2:

Narrated 'Aisha: (the mother of the faithful believers) Al-Harith bin Hisham asked Allah's Apostle "O Allah's Apostle! How is the Divine Inspiration revealed to you?" Allah's Apostle replied, "Sometimes it is (revealed) like the ringing of a bell, this form of Inspiration is the hardest of all and then this state passes ' off after I have grasped what is inspired. Sometimes the Angel comes in the form of a man and talks to me and I grasp whatever he says." 'Aisha added: Verily I saw the Prophet being inspired Divinely on a very cold day and noticed the Sweat dropping from his forehead (as the Inspiration was over).

Commentary by Ibtisam Elahi Zaheer

Allah swt teaches and guides His prophets through divine inspiration.All the prophets were inspired by Allah in the following forms:

It is not given to any human being that Allâh should speak to him unless (it be) by Inspiration, or from behind a veil, or (that) He sends a Messenger to reveal what He wills by His Leave. Verily, He is Most High, Most Wise. (Ash-Shura 42:51)

In the same manner prophet Muhammad salal laho aliehi wasalam was inspired by Allah swt .

Allah swt says:

And thus We have sent to you (O Muhammad SAW) Ruhan (an Inspiration, and a Mercy) of Our Command. You knew not what is the Book, nor what is Faith? But We have made it (this Qur'ân) a light wherewith We guide whosoever of Our slaves We will. And verily, you (O Muhammad SAW) are indeed guiding (mankind) to the Straight Path (i.e. Allâh's religion of Islâmic Monotheism). (Ash-Shura 42:52)

On another instance Allah swt says that all the divine messengers of Allah swt were inspired by Allah swt in the same manner.Allah swt says:

Verily, We have inspired you (O Muhammad SAW) as We inspired Nûh (Noah) and the Prophets after him; We (also) inspired Ibrâhim (Abraham), Ismâ'il (Ishmael), Ishâque (Isaac), Ya'qûb (Jacob), and Al¬Asbât [the twelve sons of Ya'qûb (Jacob)], 'Iesa (Jesus), Ayub (Job), Yûnus (Jonah), Hârûn (Aaron), and Sulaimân (Solomon), and to Dawûd (David) We gave the Zabûr (Psalms). (An-Nisa 4:163)

It should however be born in mind that prophet Muhammad salal laho aliehi wasalam is the last messenger of Allah swt .

Allah swt says:

Muhammad (SAW) is not the father of any man among you, but he is the Messenger of Allâh and the last (end) of the Prophets. And Allâh is Ever All¬Aware of everything. (Al-Ahzab 33:40)

So this chain of divine inspiration has finished with him .And who soever claims that he is also inspired by divine inspiration should keep this saying of Allah swt in his mind:

And who can be more unjust than he who invents a lie against Allâh, or says: "I have received inspiration," whereas he is not inspired in anything; and who says, "I will reveal the like of what Allâh has revealed." And if you could but see when the Zâlimûn (polytheists and wrong¬doers, etc.) are in the agonies of death, while the angels are stretching forth their hands (saying): "Deliver your souls! This day you shall be recompensed with the torment of degradation because of what you used to utter against Allâh other than the truth. And you used to reject His Ayât (proofs, evidences, verses, lessons, signs, revelations, etc.) with disrespect!" (Al-An'am 6:93)

Prophet Muhammad salal laho aliehi wasalam told in this hadith that the most intense way in which he was inspired was the way in which he used to listen bell type sound and in that state he was facing alot of burden and mother of believers Ayesha radi Allahu anha stated that on a very cold day the drop of sweat were dropping from his forehead due to this burden.But after he had grasped the inspiration and inspiration had finished he was relaxed.