Simba Sleep has an employee rating of 3.4 out of 5 stars, based on 38 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Simba Sleep employee rating is in line with the average (within 1 standard deviation) for employers within the Retail and wholesale industry (3.5 stars).
I have witnessed multiple people being fired on the spot, with little to no explanation. You will never have job security in this company, even if you're doing a good job. It's mainly about making the right friends and not making waves.