| Feature | iSleep ONE | iSleep Start | iSleep Edge |
| Internal Structure |
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| Mattress Type | Hybrid support + mini springs | Pocket Spring support | Advanced hybrid support |
| Thickness | 28 cm | 30 cm | 25 cm |
| Comfort Level | Balanced comfort and support | Medium comfort for everyday sleep | Firm support for back sleepers |
| Firmness Level | Medium Firm (7/10) | Medium (6/10) | Firm (9/10) |
| Best For | Most sleepers | Guest rooms or budget comfort | Back sleepers and firm support lovers |
| Motion Isolation | Very good | Good | Excellent |
| Packaging | Vacuum packed | Vacuum packed | Non-compressed |
| Delivery | Box delivery | Box delivery | Full-size delivery |
| Trial | 200 nights | 200 nights | 200 nights |
| Warranty | 10 years | 10 years | 10 years |
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Firmness scale: 1=very soft, 10= very firm