I've noticed some moves towards quoting SUDI (Sudden Unexpected Deaths in Infancy) data alongside SIDS data, including the Lulkaby Trust. I wonder if this is in order to encompass wider unexpected deaths not covered by SIDS (like suffocation and asphyxiation). Given SIDS on a clear downward trajectory, seems sensible policy to broaden the net, as it were, to offer advice to lower all avoidable infant deaths.
could find no link with sheepskins and SIDS
While research doesn't focus in on specific materials used, this would be covered under two specific areas of SIDS recommendations, that I can think of.
This would not adhere to the Clear Cot recommendations or the that baby should sleep in a "firm, flat" matresss. Both mentioned here:
www.lullabytrust.org.uk/safer-sleep-advice/clear-cot/
I am scared of using any sleep aids
Some sleep aids lower SIDS risk. Dummies, for example.
www.lullabytrust.org.uk/safer-sleep-advice/dummies-and-sids/
Bedsharing safely reduces the SIDS risk
A meta-analysis published in 2012 found that not a single study published since January 1970 showed a reduced
risk of SIDS in bed sharing infants; all studies found an increased risk.
Source: Lullaby Trust Evidence Base