"Sufyaan used to laugh ..."

Ad-Dhahabi writes in Siyar A'lam Al-Nubala:

وروى الفسوي ، عن عيسى بن محمد : أن سفيان كان يضحك حتى يستلقي ويمد رجليه

ENGLISH:

Isaa bin Muhammad said: "Sufyaan used to laugh (so much), to the extent that he had to lie down and stretch his legs!"

NEDERLANDS:

Isaa bin Muhammad zei: "Sufyaan zou (zoveel) lachen dat hij moest liggen en zijn voeten uitstrekken."

["Siyar A'lam Al-Nubala", 7/275].