Wings of Liberty
Sleep made his first GSL appearance in Open Season 3, where he lost in the Round of 32 to Maka. Recently he has made a comeback into the spotlight by qualifying for IGN Proleague Season 3 in the first qualifier. At the finals, he would make it the Round of 16 before being eliminated by his teammate MMA. On 30 October 2011, he announced on his Twitter that he had left SlayerS and was looking for a foreign team. On 26 January 2012, it was announced that Sleep has signed with the American team CheckSix Gaming and will be moving to a CheckSix house in Southern California, in February.
On 21 December 2011, Sleep participated in the ZOTAC Cup Monthly Final November. He was able to take down Satiini but then got stopped immediately by GoOdy and fell to the 3rd/4th place match. He was able to save face and win 3rd place by defeating roof with a score of 2-1.
Sleep recently made a strong run through IGN ProLeague Season 4/Online Qualifier 2 defeating iNkA 2-0, Heart 2-1, and viOLet 2-1, finally ending his run in a 1-2 close loss to Bomber, who went on to qualify.
At the Lone Star Clash, Sleep fell unexpectedly and early in the first round to iNcontroL, but was seemingly reinvigorated thereafter, tearing through the Loser's Brackets and eliminating NonY, State, BlinG, White-Ra, and Grubby. Sleep took home 3rd place, losing to Polt in the Loser's Finals.
On 13 July 2012, CheckSix announced that Sleep had parted ways with the team.
IPL Season 3
From 20 to 21 August 2011, Sleep participated in the IPL Season 3 Qualifier 1 Sleep started off from the Round of 64. Sleep defeated abruxin, Ryung, CatZ, MorroW, and qxc, in order to advance in to the finals to face HerO. He was not able to defeat HerO and ended up taking second place after losing by a score of 1-2.
IPL Season 5
On 26 May 2012, Sleep participated in the IPL 5 North American Regional Qualifiers. Sleep received a BYE in round one, and then went on to take down Honeybear, Destiny, Theognis, Axslav and then went on to advance in to the finals to face DeMusliM. In the finals, Sleep defeated DeMusliM by a score of 2-0 and was able to take first place. His first-place finish qualified him for the IGN ProLeague Season 5.
IPL Fight Club
On 4 June 2012, Sleep was invited to participate in the IPL Fight Club. His first opponent was Creator. His debut was cut short as he was knocked out in his very first match up by a score of 1-5, and was not able to dethrone Creator.
- Got his alias "Sleep" from IM teammates because he was looking sleepy all the time.[Citation needed]
- 2013-06-23 | 2013 GSTL Season 1 Group Stage AZUBU vs FXO Winner by This Is Game
- 2012-09-13 | GSL 2012 Season 4 Code A Preliminaries Day 2 Winners by This Is Game
- 2012-03-25 | Interview with Check-Six Sleep by Rachel of Cyber Sports Network at 2012 MLG Winter Championships
- Sleep joins KT
- Lorning (19 August 2015). "Sleep and KT Rolster Part Ways". TeamLiquid.net. Retrieved 19 August 2015.
- LeiFeng (23 April 2016). "(Team LeiFeng) goes for NSL". http://www.neotv.com.cn/. Retrieved 24 April 2016.
- tweet from Sleep twitter.com on 2011-10-29
- "CHECKSIX INTRODUCES SLEEP" Check6Gaming.com. 27 January 2012. Thread on TeamLiquid.net
- Check-Six Gaming and Sleep part ways Check-Six Gaming Facebook page. 13 July 2012.