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sleep > number . NEWS RELEASE Sleep Number Announces Record First Quarter 2021 Results 4/21/2021 RAISES FULL - YEAR EARNINGS OUTLOOK • Increased first - quarter net sales 20 % and demand more than 30 % year - over - year • More than $ 50 million of deliveries ( two weeks ) shifted out of the quarter due to temporary foam supply constraints Operating income increased 45 % to 13.4 % of net sales , up 220 bp , with a 31 % increase in operating cash flows • Grew first - quarter diluted earnings per share 85 % to a record $ 2.51 . Raised full - year 2021 EPS outlook to at least $ 6.50 versus prior EPS outlook of at least $ 6.00 MINNEAPOLIS -- ( BUSINESS WIRE ) -- Sleep Number Corporation ( Nasdaq : SNBR ) today reported results for the quarter ended April 3 , 2021 . " Guided by our purpose to improve the health and wellbeing of society through higher quality sleep , Sleep Number is broadening our brand relevance and driving significant performance acceleration , " said Shelly Ibach , President and CEO . “ Our first - quarter demand growth of greater than 30 % demonstrates consumers ' enthusiastic response to our sleep science - based innovations , digital solutions and authentic mission - driven culture . Sleep Number is improving millions of lives through better quality sleep , while delivering exceptional value for all stakeholders . " First Quarter Overview • Net sales increased 20 % to $ 568 million with a 20 % comparable store sales gain ; more than $ 50 million of deliveries ( two weeks ) shifted out of the quarter due to temporary foam supply constraints • Gross profit increased 18 % to a record $ 356 million or 62.6 % of net sales 1